diff --git a/intern/ghost/intern/GHOST_C-api.cc b/intern/ghost/intern/GHOST_C-api.cc
index 3596fde3101..45e14347118 100644
--- a/intern/ghost/intern/GHOST_C-api.cc
+++ b/intern/ghost/intern/GHOST_C-api.cc
@@ -584,13 +584,14 @@ char *GHOST_GetTitle(GHOST_WindowHandle windowhandle)
   GHOST_IWindow *window = (GHOST_IWindow *)windowhandle;
   std::string title = window->getTitle();
 
-  char *ctitle = (char *)malloc(title.size() + 1);
+  const size_t ctitle_size = title.size() + 1;
+  char *ctitle = (char *)malloc(ctitle_size);
 
   if (ctitle == nullptr) {
     return nullptr;
   }
 
-  strcpy(ctitle, title.c_str());
+  memcpy(ctitle, title.c_str(), ctitle_size);
 
   return ctitle;
 }
diff --git a/intern/ghost/intern/GHOST_SystemX11.cc b/intern/ghost/intern/GHOST_SystemX11.cc
index 662ee8ba0d7..48862b3d2d7 100644
--- a/intern/ghost/intern/GHOST_SystemX11.cc
+++ b/intern/ghost/intern/GHOST_SystemX11.cc
@@ -2190,12 +2190,14 @@ char *GHOST_SystemX11::getClipboard(bool selection) const
   owner = XGetSelectionOwner(m_display, sseln);
   if (owner == win) {
     if (sseln == m_atom.CLIPBOARD) {
-      sel_buf = (char *)malloc(strlen(txt_cut_buffer) + 1);
-      strcpy(sel_buf, txt_cut_buffer);
+      size_t sel_buf_size = strlen(txt_cut_buffer) + 1;
+      sel_buf = (char *)malloc(sel_buf_size);
+      memcpy(sel_buf, txt_cut_buffer, sel_buf_size);
       return sel_buf;
     }
-    sel_buf = (char *)malloc(strlen(txt_select_buffer) + 1);
-    strcpy(sel_buf, txt_select_buffer);
+    size_t sel_buf_size = strlen(txt_select_buffer) + 1;
+    sel_buf = (char *)malloc(sel_buf_size);
+    memcpy(sel_buf, txt_select_buffer, sel_buf_size);
     return sel_buf;
   }
   if (owner == None) {
@@ -2289,8 +2291,9 @@ void GHOST_SystemX11::putClipboard(const char *buffer, bool selection) const
         free((void *)txt_cut_buffer);
       }
 
-      txt_cut_buffer = (char *)malloc(strlen(buffer) + 1);
-      strcpy(txt_cut_buffer, buffer);
+      size_t buffer_size = strlen(buffer) + 1;
+      txt_cut_buffer = (char *)malloc(buffer_size);
+      memcpy(txt_cut_buffer, buffer, buffer_size);
     }
     else {
       XSetSelectionOwner(m_display, m_atom.PRIMARY, m_window, CurrentTime);
@@ -2299,8 +2302,9 @@ void GHOST_SystemX11::putClipboard(const char *buffer, bool selection) const
         free((void *)txt_select_buffer);
       }
 
-      txt_select_buffer = (char *)malloc(strlen(buffer) + 1);
-      strcpy(txt_select_buffer, buffer);
+      size_t buffer_size = strlen(buffer) + 1;
+      txt_select_buffer = (char *)malloc(buffer_size);
+      memcpy(txt_select_buffer, buffer, buffer_size);
     }
 
     if (owner != m_window) {
diff --git a/source/blender/blenkernel/intern/armature_test.cc b/source/blender/blenkernel/intern/armature_test.cc
index b58878d9bb0..179569847d4 100644
--- a/source/blender/blenkernel/intern/armature_test.cc
+++ b/source/blender/blenkernel/intern/armature_test.cc
@@ -355,9 +355,9 @@ class BKE_armature_find_selected_bones_test : public testing::Test {
 
   void SetUp() override
   {
-    strcpy(bone1.name, "bone1");
-    strcpy(bone2.name, "bone2");
-    strcpy(bone3.name, "bone3");
+    STRNCPY(bone1.name, "bone1");
+    STRNCPY(bone2.name, "bone2");
+    STRNCPY(bone3.name, "bone3");
 
     arm.bonebase = {nullptr, nullptr};
     bone1.childbase = {nullptr, nullptr};
diff --git a/source/blender/blenkernel/intern/blender.c b/source/blender/blenkernel/intern/blender.c
index 29c4d2c0cd3..53428568ae9 100644
--- a/source/blender/blenkernel/intern/blender.c
+++ b/source/blender/blenkernel/intern/blender.c
@@ -147,7 +147,7 @@ void BKE_blender_globals_init(void)
 
   BKE_blender_globals_main_replace(BKE_main_new());
 
-  strcpy(G.ima, "//");
+  STRNCPY(G.ima, "//");
 
 #ifndef WITH_PYTHON_SECURITY /* default */
   G.f |= G_FLAG_SCRIPT_AUTOEXEC;
diff --git a/source/blender/blenkernel/intern/boids.c b/source/blender/blenkernel/intern/boids.c
index c51b1ae642b..67b4e8f7406 100644
--- a/source/blender/blenkernel/intern/boids.c
+++ b/source/blender/blenkernel/intern/boids.c
@@ -1657,7 +1657,7 @@ BoidState *boid_new_state(BoidSettings *boids)
     SNPRINTF(state->name, "State %i", state->id);
   }
   else {
-    strcpy(state->name, "State");
+    STRNCPY(state->name, "State");
   }
 
   state->rule_fuzziness = 0.5;
diff --git a/source/blender/blenkernel/intern/freestyle.c b/source/blender/blenkernel/intern/freestyle.c
index 19d0f0ed8eb..46c3c820da7 100644
--- a/source/blender/blenkernel/intern/freestyle.c
+++ b/source/blender/blenkernel/intern/freestyle.c
@@ -99,7 +99,7 @@ static void copy_lineset(FreestyleLineSet *new_lineset, FreestyleLineSet *linese
   new_lineset->edge_types = lineset->edge_types;
   new_lineset->exclude_edge_types = lineset->exclude_edge_types;
   new_lineset->group = lineset->group;
-  strcpy(new_lineset->name, lineset->name);
+  STRNCPY(new_lineset->name, lineset->name);
 
   if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
     id_us_plus((ID *)new_lineset->linestyle);
@@ -187,7 +187,7 @@ FreestyleLineSet *BKE_freestyle_lineset_add(struct Main *bmain,
     SNPRINTF(lineset->name, "LineSet %i", lineset_index + 1);
   }
   else {
-    strcpy(lineset->name, "LineSet");
+    STRNCPY(lineset->name, "LineSet");
   }
   BKE_freestyle_lineset_unique_name(config, lineset);
 
diff --git a/source/blender/blenkernel/intern/idprop.c b/source/blender/blenkernel/intern/idprop.c
index 575d016b547..248fc125f6e 100644
--- a/source/blender/blenkernel/intern/idprop.c
+++ b/source/blender/blenkernel/intern/idprop.c
@@ -791,7 +791,7 @@ IDProperty *IDP_GetProperties(ID *id, const bool create_if_needed)
     /* NOTE(@ideasman42): Don't overwrite the data's name and type
      * some functions might need this if they
      * don't have a real ID, should be named elsewhere. */
-    // strcpy(id->name, "top_level_group");
+    // STRNCPY(id->name, "top_level_group");
   }
   return id->properties;
 }
diff --git a/source/blender/blenkernel/intern/ipo.c b/source/blender/blenkernel/intern/ipo.c
index 69ca10d21b7..1e656d8b195 100644
--- a/source/blender/blenkernel/intern/ipo.c
+++ b/source/blender/blenkernel/intern/ipo.c
@@ -1165,7 +1165,7 @@ static char *get_rna_access(ID *id,
     else if ((blocktype == ID_KE) && STREQ(actname, "Shape")) {
       /* Actionified "Shape" IPO's -
        * these are forced onto object level via the action container there... */
-      strcpy(buf, "data.shape_keys");
+      STRNCPY(buf, "data.shape_keys");
     }
     else {
       /* Pose-Channel */
diff --git a/source/blender/blenkernel/intern/lattice_deform_test.cc b/source/blender/blenkernel/intern/lattice_deform_test.cc
index 0ab23ea4bbe..4a3ef72019a 100644
--- a/source/blender/blenkernel/intern/lattice_deform_test.cc
+++ b/source/blender/blenkernel/intern/lattice_deform_test.cc
@@ -40,7 +40,7 @@ static void test_lattice_deform_init(LatticeDeformTestContext *ctx,
     ctx->coords[index][2] = (rng->get_float() - 0.5f) * 10;
   }
   IDType_ID_LT.init_data(&ctx->lattice.id);
-  strcpy(ctx->lattice.id.name, "LTLattice");
+  STRNCPY(ctx->lattice.id.name, "LTLattice");
   IDType_ID_OB.init_data(&ctx->ob_lattice.id);
   ctx->ob_lattice.type = OB_LATTICE;
   ctx->ob_lattice.data = &ctx->lattice;
diff --git a/source/blender/blenkernel/intern/lib_id.c b/source/blender/blenkernel/intern/lib_id.c
index 2c8120dc5d9..a6667942a88 100644
--- a/source/blender/blenkernel/intern/lib_id.c
+++ b/source/blender/blenkernel/intern/lib_id.c
@@ -1620,7 +1620,7 @@ bool BKE_id_new_name_validate(
 
   result = BKE_main_namemap_get_name(bmain, id, name);
 
-  strcpy(id->name + 2, name);
+  BLI_strncpy(id->name + 2, name, sizeof(id->name) - 2);
   id_sort_by_name(lb, id, NULL);
   return result;
 }
@@ -2012,7 +2012,7 @@ void BKE_libblock_rename(Main *bmain, ID *id, const char *name)
 
 void BKE_id_full_name_get(char name[MAX_ID_FULL_NAME], const ID *id, char separator_char)
 {
-  strcpy(name, id->name + 2);
+  BLI_strncpy(name, id->name + 2, MAX_ID_FULL_NAME);
 
   if (ID_IS_LINKED(id)) {
     const size_t idname_len = strlen(id->name + 2);
@@ -2020,7 +2020,7 @@ void BKE_id_full_name_get(char name[MAX_ID_FULL_NAME], const ID *id, char separa
 
     name[idname_len] = separator_char ? separator_char : ' ';
     name[idname_len + 1] = '[';
-    strcpy(name + idname_len + 2, id->lib->id.name + 2);
+    BLI_strncpy(name + idname_len + 2, id->lib->id.name + 2, MAX_ID_FULL_NAME - (idname_len + 2));
     name[idname_len + 2 + libname_len] = ']';
     name[idname_len + 2 + libname_len + 1] = '\0';
   }
diff --git a/source/blender/blenkernel/intern/mask.cc b/source/blender/blenkernel/intern/mask.cc
index 628cee94d1e..fb6b5954df4 100644
--- a/source/blender/blenkernel/intern/mask.cc
+++ b/source/blender/blenkernel/intern/mask.cc
@@ -336,12 +336,7 @@ MaskLayer *BKE_mask_layer_new(Mask *mask, const char *name)
 {
   MaskLayer *masklay = MEM_cnew<MaskLayer>(__func__);
 
-  if (name && name[0]) {
-    STRNCPY(masklay->name, name);
-  }
-  else {
-    strcpy(masklay->name, DATA_("MaskLayer"));
-  }
+  STRNCPY(masklay->name, name && name[0] ? name : DATA_("MaskLayer"));
 
   BLI_addtail(&mask->masklayers, masklay);
 
@@ -1011,12 +1006,7 @@ Mask *BKE_mask_new(Main *bmain, const char *name)
   Mask *mask;
   char mask_name[MAX_ID_NAME - 2];
 
-  if (name && name[0]) {
-    STRNCPY(mask_name, name);
-  }
-  else {
-    strcpy(mask_name, "Mask");
-  }
+  STRNCPY(mask_name, (name && name[0]) ? name : "Mask");
 
   mask = mask_alloc(bmain, mask_name);
 
@@ -2040,7 +2030,7 @@ void BKE_mask_clipboard_copy_from_layer(MaskLayer *mask_layer)
           if (!BLI_ghash_lookup(mask_clipboard.id_hash, point->parent.id)) {
             int len = strlen(point->parent.id->name);
             char *name_copy = static_cast<char *>(MEM_mallocN(len + 1, "mask clipboard ID name"));
-            strcpy(name_copy, point->parent.id->name);
+            memcpy(name_copy, point->parent.id->name, len + 1);
             BLI_ghash_insert(mask_clipboard.id_hash, point->parent.id, name_copy);
           }
         }
diff --git a/source/blender/blenkernel/intern/mesh_tangent.cc b/source/blender/blenkernel/intern/mesh_tangent.cc
index e21d0dfcca0..e941a27f707 100644
--- a/source/blender/blenkernel/intern/mesh_tangent.cc
+++ b/source/blender/blenkernel/intern/mesh_tangent.cc
@@ -338,14 +338,16 @@ void BKE_mesh_calc_loop_tangent_step_0(const CustomData *loopData,
   *ract_uv_n = CustomData_get_active_layer(loopData, CD_PROP_FLOAT2);
   ract_uv_name[0] = 0;
   if (*ract_uv_n != -1) {
-    strcpy(ract_uv_name, loopData->layers[*ract_uv_n + layer_index].name);
+    BLI_strncpy(
+        ract_uv_name, loopData->layers[*ract_uv_n + layer_index].name, MAX_CUSTOMDATA_LAYER_NAME);
   }
 
   /* Active tangent in render */
   *rren_uv_n = CustomData_get_render_layer(loopData, CD_PROP_FLOAT2);
   rren_uv_name[0] = 0;
   if (*rren_uv_n != -1) {
-    strcpy(rren_uv_name, loopData->layers[*rren_uv_n + layer_index].name);
+    BLI_strncpy(
+        rren_uv_name, loopData->layers[*rren_uv_n + layer_index].name, MAX_CUSTOMDATA_LAYER_NAME);
   }
 
   /* If active tangent not in tangent_names we take it into account */
diff --git a/source/blender/blenkernel/intern/nla.c b/source/blender/blenkernel/intern/nla.c
index cb6226ab373..ed0bfa2c636 100644
--- a/source/blender/blenkernel/intern/nla.c
+++ b/source/blender/blenkernel/intern/nla.c
@@ -367,7 +367,7 @@ void BKE_nlatrack_insert_before(ListBase *nla_tracks,
   new_track->index = BLI_findindex(nla_tracks, new_track);
 
   /* Must have unique name, but we need to seed this. */
-  strcpy(new_track->name, "NlaTrack");
+  STRNCPY(new_track->name, "NlaTrack");
 
   BLI_uniquename(nla_tracks,
                  new_track,
diff --git a/source/blender/blenkernel/intern/pointcache.c b/source/blender/blenkernel/intern/pointcache.c
index 5ce69f1acf0..3f9fa2a0baa 100644
--- a/source/blender/blenkernel/intern/pointcache.c
+++ b/source/blender/blenkernel/intern/pointcache.c
@@ -1424,14 +1424,15 @@ static int ptcache_filepath(PTCacheID *pid,
     idname = (pid->owner_id->name + 2);
     /* convert chars to hex so they are always a valid filename */
     while ('\0' != *idname) {
-      BLI_snprintf(newname, MAX_PTCACHE_FILE - len, "%02X", (uint)(*idname++));
-      newname += 2;
-      len += 2;
+      /* Always 2 unless there isn't enough room in the string. */
+      const int temp = BLI_snprintf_rlen(
+          newname, MAX_PTCACHE_FILE - len, "%02X", (uint)(*idname++));
+      newname += temp;
+      len += temp;
     }
   }
   else {
-    int temp = (int)strlen(pid->cache->name);
-    strcpy(newname, pid->cache->name);
+    int temp = BLI_strncpy_rlen(newname, pid->cache->name, MAX_PTCACHE_FILE - len);
     newname += temp;
     len += temp;
   }
diff --git a/source/blender/blenkernel/intern/sound.c b/source/blender/blenkernel/intern/sound.c
index 10c7f0bcca0..404d30a6c78 100644
--- a/source/blender/blenkernel/intern/sound.c
+++ b/source/blender/blenkernel/intern/sound.c
@@ -462,8 +462,7 @@ bSound *BKE_sound_new_buffer(Main *bmain, bSound *source)
   bSound *sound = NULL;
 
   char name[MAX_ID_NAME + 5];
-  strcpy(name, "buf_");
-  strcpy(name + 4, source->id.name);
+  BLI_string_join(name, sizeof(name), "buf_", source->id.name);
 
   sound = BKE_libblock_alloc(bmain, ID_SO, name);
 
@@ -480,8 +479,7 @@ bSound *BKE_sound_new_limiter(Main *bmain, bSound *source, float start, float en
   bSound *sound = NULL;
 
   char name[MAX_ID_NAME + 5];
-  strcpy(name, "lim_");
-  strcpy(name + 4, source->id.name);
+  BLI_string_join(name, sizeof(name), "lim_", source->id.name);
 
   sound = BKE_libblock_alloc(bmain, ID_SO, name);
 
diff --git a/source/blender/blenkernel/intern/tracking.cc b/source/blender/blenkernel/intern/tracking.cc
index 4bf1f108b45..d6e5cc3c8b0 100644
--- a/source/blender/blenkernel/intern/tracking.cc
+++ b/source/blender/blenkernel/intern/tracking.cc
@@ -499,7 +499,7 @@ MovieTrackingTrack *BKE_tracking_track_add_empty(MovieTracking *tracking, ListBa
   const MovieTrackingSettings *settings = &tracking->settings;
 
   MovieTrackingTrack *track = MEM_cnew<MovieTrackingTrack>("add_marker_exec track");
-  strcpy(track->name, "Track");
+  STRNCPY(track->name, "Track");
 
   /* Fill track's settings from default settings. */
   track->motion_model = settings->default_motion_model;
@@ -1579,7 +1579,7 @@ MovieTrackingPlaneTrack *BKE_tracking_plane_track_add(MovieTracking *tracking,
   plane_track = MEM_cnew<MovieTrackingPlaneTrack>("new plane track");
 
   /* Use some default name. */
-  strcpy(plane_track->name, "Plane Track");
+  STRNCPY(plane_track->name, "Plane Track");
 
   plane_track->image_opacity = 1.0f;
 
diff --git a/source/blender/blenkernel/intern/vfont.c b/source/blender/blenkernel/intern/vfont.c
index 396d7965855..2a64e422947 100644
--- a/source/blender/blenkernel/intern/vfont.c
+++ b/source/blender/blenkernel/intern/vfont.c
@@ -295,7 +295,7 @@ static VFontData *vfont_get_data(VFont *vfont)
         /* DON'T DO THIS
          * missing file shouldn't modify path! - campbell */
 #if 0
-        strcpy(vfont->filepath, FO_BUILTIN_NAME);
+        STRNCPY(vfont->filepath, FO_BUILTIN_NAME);
 #endif
         pf = get_builtin_packedfile();
       }
diff --git a/source/blender/blenlib/intern/BLI_filelist.c b/source/blender/blenlib/intern/BLI_filelist.c
index af1d0548acc..290b7607f09 100644
--- a/source/blender/blenlib/intern/BLI_filelist.c
+++ b/source/blender/blenlib/intern/BLI_filelist.c
@@ -15,7 +15,7 @@
 #  include <dirent.h>
 #endif
 
-#include <string.h> /* #strcpy etc. */
+#include <string.h>
 #include <sys/stat.h>
 #include <time.h>
 
@@ -320,7 +320,7 @@ void BLI_filelist_entry_owner_to_string(const struct stat *st,
 {
 #ifdef WIN32
   UNUSED_VARS(st);
-  strcpy(r_owner, "unknown");
+  BLI_strncpy(r_owner, "unknown", FILELIST_DIRENTRY_OWNER_LEN);
 #else
   struct passwd *pwuser = getpwuid(st->st_uid);
 
diff --git a/source/blender/blenlib/intern/path_util.c b/source/blender/blenlib/intern/path_util.c
index f2955a14e2e..7d3b6f4c095 100644
--- a/source/blender/blenlib/intern/path_util.c
+++ b/source/blender/blenlib/intern/path_util.c
@@ -793,7 +793,7 @@ void BLI_path_rel(char path[FILE_MAX], const char *basepath)
 #ifdef WIN32
     BLI_str_replace_char(res + 2, '/', '\\');
 #endif
-    strcpy(path, res);
+    BLI_strncpy(path, res, FILE_MAX);
   }
 }
 
diff --git a/source/blender/blenlib/intern/storage.c b/source/blender/blenlib/intern/storage.c
index 5915a5034b9..0215b8695c6 100644
--- a/source/blender/blenlib/intern/storage.c
+++ b/source/blender/blenlib/intern/storage.c
@@ -32,7 +32,7 @@
 #endif
 
 #include <fcntl.h>
-#include <string.h> /* `strcpy` etc. */
+#include <string.h>
 
 #ifdef WIN32
 #  include "BLI_string_utf8.h"
@@ -145,16 +145,17 @@ double BLI_dir_free_space(const char *dir)
     return -1;
   }
 
-  strcpy(dirname, dir);
+  memcpy(dirname, dir, len + 1);
 
   if (len) {
     slash = strrchr(dirname, '/');
     if (slash) {
-      slash[1] = 0;
+      slash[1] = '\0';
     }
   }
   else {
-    strcpy(dirname, "/");
+    dirname[0] = '/';
+    dirname[1] = '\0';
   }
 
 #  if defined(USE_STATFS_STATVFS)
diff --git a/source/blender/blenloader/intern/versioning_250.c b/source/blender/blenloader/intern/versioning_250.c
index 67f0c0e0f83..bbe14f0d04f 100644
--- a/source/blender/blenloader/intern/versioning_250.c
+++ b/source/blender/blenloader/intern/versioning_250.c
@@ -716,7 +716,7 @@ void blo_do_versions_250(FileData *fd, Library *UNUSED(lib), Main *bmain)
      */
     for (ma = bmain->materials.first; ma; ma = ma->id.next) {
       if (ma->nodetree && ma->nodetree->id.name[0] == '\0') {
-        strcpy(ma->nodetree->id.name, "NTShader Nodetree");
+        STRNCPY(ma->nodetree->id.name, "NTShader Nodetree");
       }
     }
 
@@ -724,7 +724,7 @@ void blo_do_versions_250(FileData *fd, Library *UNUSED(lib), Main *bmain)
     for (sce = bmain->scenes.first; sce; sce = sce->id.next) {
       enum { R_PANORAMA = (1 << 10) };
       if (sce->nodetree && sce->nodetree->id.name[0] == '\0') {
-        strcpy(sce->nodetree->id.name, "NTCompositing Nodetree");
+        STRNCPY(sce->nodetree->id.name, "NTCompositing Nodetree");
       }
 
       /* move to cameras */
@@ -748,7 +748,7 @@ void blo_do_versions_250(FileData *fd, Library *UNUSED(lib), Main *bmain)
 
       if (tx->nodetree) {
         if (tx->nodetree->id.name[0] == '\0') {
-          strcpy(tx->nodetree->id.name, "NTTexture Nodetree");
+          STRNCPY(tx->nodetree->id.name, "NTTexture Nodetree");
         }
 
         /* which_output 0 is now "not specified" */
@@ -2315,7 +2315,7 @@ static void lib_node_do_versions_group_indices(bNode *gnode)
 
     for (link = ngroup->links.first; link; link = link->next) {
       if (link->tonode == NULL && link->fromsock->own_index == old_index) {
-        strcpy(sock->identifier, link->fromsock->identifier);
+        STRNCPY(sock->identifier, link->fromsock->identifier);
         /* deprecated */
         sock->own_index = link->fromsock->own_index;
         sock->to_index = 0;
@@ -2327,7 +2327,7 @@ static void lib_node_do_versions_group_indices(bNode *gnode)
 
     for (link = ngroup->links.first; link; link = link->next) {
       if (link->fromnode == NULL && link->tosock->own_index == old_index) {
-        strcpy(sock->identifier, link->tosock->identifier);
+        STRNCPY(sock->identifier, link->tosock->identifier);
         /* deprecated */
         sock->own_index = link->tosock->own_index;
         sock->to_index = 0;
diff --git a/source/blender/blenloader/intern/versioning_260.c b/source/blender/blenloader/intern/versioning_260.c
index 4416f7f89d6..fa12bb4c5b8 100644
--- a/source/blender/blenloader/intern/versioning_260.c
+++ b/source/blender/blenloader/intern/versioning_260.c
@@ -551,13 +551,13 @@ static void do_versions_nodetree_customnodes(bNodeTree *ntree, int UNUSED(is_gro
     /* tree type idname */
     switch (ntree->type) {
       case NTREE_COMPOSIT:
-        strcpy(ntree->idname, "CompositorNodeTree");
+        STRNCPY(ntree->idname, "CompositorNodeTree");
         break;
       case NTREE_SHADER:
-        strcpy(ntree->idname, "ShaderNodeTree");
+        STRNCPY(ntree->idname, "ShaderNodeTree");
         break;
       case NTREE_TEXTURE:
-        strcpy(ntree->idname, "TextureNodeTree");
+        STRNCPY(ntree->idname, "TextureNodeTree");
         break;
     }
 
@@ -1947,13 +1947,13 @@ void blo_do_versions_260(FileData *fd, Library *UNUSED(lib), Main *bmain)
             /* convert deprecated treetype setting to tree_idname */
             switch (snode->treetype) {
               case NTREE_COMPOSIT:
-                strcpy(snode->tree_idname, "CompositorNodeTree");
+                STRNCPY(snode->tree_idname, "CompositorNodeTree");
                 break;
               case NTREE_SHADER:
-                strcpy(snode->tree_idname, "ShaderNodeTree");
+                STRNCPY(snode->tree_idname, "ShaderNodeTree");
                 break;
               case NTREE_TEXTURE:
-                strcpy(snode->tree_idname, "TextureNodeTree");
+                STRNCPY(snode->tree_idname, "TextureNodeTree");
                 break;
             }
           }
diff --git a/source/blender/blenloader/intern/versioning_300.cc b/source/blender/blenloader/intern/versioning_300.cc
index cc2ee620b57..741baf6f938 100644
--- a/source/blender/blenloader/intern/versioning_300.cc
+++ b/source/blender/blenloader/intern/versioning_300.cc
@@ -1363,7 +1363,7 @@ static void version_switch_node_input_prefix(Main *bmain)
             if (socket == node->inputs.first) {
               continue;
             }
-            strcpy(socket->name, socket->name[0] == 'A' ? "False" : "True");
+            STRNCPY(socket->name, socket->name[0] == 'A' ? "False" : "True");
 
             /* Replace "A" and "B", but keep the unique number suffix at the end. */
             char number_suffix[8];
@@ -1940,7 +1940,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCombSepColor *storage = (NodeCombSepColor *)MEM_callocN(sizeof(NodeCombSepColor),
                                                                       __func__);
           storage->mode = NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "FunctionNodeCombineColor");
+          STRNCPY(node->idname, "FunctionNodeCombineColor");
           node->storage = storage;
           break;
         }
@@ -1949,7 +1949,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCombSepColor *storage = (NodeCombSepColor *)MEM_callocN(sizeof(NodeCombSepColor),
                                                                       __func__);
           storage->mode = NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "FunctionNodeSeparateColor");
+          STRNCPY(node->idname, "FunctionNodeSeparateColor");
           node->storage = storage;
           break;
         }
@@ -2007,7 +2007,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCMPCombSepColor *storage = (NodeCMPCombSepColor *)MEM_callocN(
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "CompositorNodeCombineColor");
+          STRNCPY(node->idname, "CompositorNodeCombineColor");
           node->storage = storage;
           break;
         }
@@ -2016,7 +2016,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCMPCombSepColor *storage = (NodeCMPCombSepColor *)MEM_callocN(
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_HSV;
-          strcpy(node->idname, "CompositorNodeCombineColor");
+          STRNCPY(node->idname, "CompositorNodeCombineColor");
           node->storage = storage;
           break;
         }
@@ -2026,7 +2026,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_YCC;
           storage->ycc_mode = node->custom1;
-          strcpy(node->idname, "CompositorNodeCombineColor");
+          STRNCPY(node->idname, "CompositorNodeCombineColor");
           node->storage = storage;
           break;
         }
@@ -2035,7 +2035,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCMPCombSepColor *storage = (NodeCMPCombSepColor *)MEM_callocN(
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_YUV;
-          strcpy(node->idname, "CompositorNodeCombineColor");
+          STRNCPY(node->idname, "CompositorNodeCombineColor");
           node->storage = storage;
           break;
         }
@@ -2044,7 +2044,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCMPCombSepColor *storage = (NodeCMPCombSepColor *)MEM_callocN(
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "CompositorNodeSeparateColor");
+          STRNCPY(node->idname, "CompositorNodeSeparateColor");
           node->storage = storage;
           break;
         }
@@ -2053,7 +2053,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCMPCombSepColor *storage = (NodeCMPCombSepColor *)MEM_callocN(
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_HSV;
-          strcpy(node->idname, "CompositorNodeSeparateColor");
+          STRNCPY(node->idname, "CompositorNodeSeparateColor");
           node->storage = storage;
           break;
         }
@@ -2063,7 +2063,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_YCC;
           storage->ycc_mode = node->custom1;
-          strcpy(node->idname, "CompositorNodeSeparateColor");
+          STRNCPY(node->idname, "CompositorNodeSeparateColor");
           node->storage = storage;
           break;
         }
@@ -2072,7 +2072,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCMPCombSepColor *storage = (NodeCMPCombSepColor *)MEM_callocN(
               sizeof(NodeCMPCombSepColor), __func__);
           storage->mode = CMP_NODE_COMBSEP_COLOR_YUV;
-          strcpy(node->idname, "CompositorNodeSeparateColor");
+          STRNCPY(node->idname, "CompositorNodeSeparateColor");
           node->storage = storage;
           break;
         }
@@ -2087,13 +2087,13 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
         case TEX_NODE_COMPOSE_LEGACY: {
           node->type = TEX_NODE_COMBINE_COLOR;
           node->custom1 = NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "TextureNodeCombineColor");
+          STRNCPY(node->idname, "TextureNodeCombineColor");
           break;
         }
         case TEX_NODE_DECOMPOSE_LEGACY: {
           node->type = TEX_NODE_SEPARATE_COLOR;
           node->custom1 = NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "TextureNodeSeparateColor");
+          STRNCPY(node->idname, "TextureNodeSeparateColor");
           break;
         }
       }
@@ -2127,7 +2127,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCombSepColor *storage = (NodeCombSepColor *)MEM_callocN(sizeof(NodeCombSepColor),
                                                                       __func__);
           storage->mode = NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "ShaderNodeCombineColor");
+          STRNCPY(node->idname, "ShaderNodeCombineColor");
           node->storage = storage;
           break;
         }
@@ -2136,7 +2136,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCombSepColor *storage = (NodeCombSepColor *)MEM_callocN(sizeof(NodeCombSepColor),
                                                                       __func__);
           storage->mode = NODE_COMBSEP_COLOR_HSV;
-          strcpy(node->idname, "ShaderNodeCombineColor");
+          STRNCPY(node->idname, "ShaderNodeCombineColor");
           node->storage = storage;
           break;
         }
@@ -2145,7 +2145,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCombSepColor *storage = (NodeCombSepColor *)MEM_callocN(sizeof(NodeCombSepColor),
                                                                       __func__);
           storage->mode = NODE_COMBSEP_COLOR_RGB;
-          strcpy(node->idname, "ShaderNodeSeparateColor");
+          STRNCPY(node->idname, "ShaderNodeSeparateColor");
           node->storage = storage;
           break;
         }
@@ -2154,7 +2154,7 @@ static void versioning_replace_legacy_combined_and_separate_color_nodes(bNodeTre
           NodeCombSepColor *storage = (NodeCombSepColor *)MEM_callocN(sizeof(NodeCombSepColor),
                                                                       __func__);
           storage->mode = NODE_COMBSEP_COLOR_HSV;
-          strcpy(node->idname, "ShaderNodeSeparateColor");
+          STRNCPY(node->idname, "ShaderNodeSeparateColor");
           node->storage = storage;
           break;
         }
@@ -2171,7 +2171,7 @@ static void versioning_replace_legacy_mix_rgb_node(bNodeTree *ntree)
   version_node_output_socket_name(ntree, SH_NODE_MIX_RGB_LEGACY, "Color", "Result_Color");
   LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
     if (node->type == SH_NODE_MIX_RGB_LEGACY) {
-      strcpy(node->idname, "ShaderNodeMix");
+      STRNCPY(node->idname, "ShaderNodeMix");
       node->type = SH_NODE_MIX;
       NodeShaderMix *data = (NodeShaderMix *)MEM_callocN(sizeof(NodeShaderMix), __func__);
       data->blend_type = node->custom1;
@@ -2570,7 +2570,7 @@ void blo_do_versions_300(FileData *fd, Library * /*lib*/, Main *bmain)
       if (ntree->type == NTREE_GEOMETRY) {
         LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
           if (node->type == GEO_NODE_SUBDIVIDE_MESH) {
-            strcpy(node->idname, "GeometryNodeMeshSubdivide");
+            STRNCPY(node->idname, "GeometryNodeMeshSubdivide");
           }
         }
       }
@@ -3266,7 +3266,7 @@ void blo_do_versions_300(FileData *fd, Library * /*lib*/, Main *bmain)
                 sizeof(NodeFunctionCompare), __func__);
             data->data_type = SOCK_FLOAT;
             data->operation = node->custom1;
-            strcpy(node->idname, "FunctionNodeCompare");
+            STRNCPY(node->idname, "FunctionNodeCompare");
             node->storage = data;
           }
         }
diff --git a/source/blender/blenloader/intern/versioning_400.cc b/source/blender/blenloader/intern/versioning_400.cc
index 071fe64f393..e0f986d145c 100644
--- a/source/blender/blenloader/intern/versioning_400.cc
+++ b/source/blender/blenloader/intern/versioning_400.cc
@@ -164,7 +164,7 @@ static void versioning_replace_legacy_glossy_node(bNodeTree *ntree)
 {
   LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
     if (node->type == SH_NODE_BSDF_GLOSSY_LEGACY) {
-      strcpy(node->idname, "ShaderNodeBsdfAnisotropic");
+      STRNCPY(node->idname, "ShaderNodeBsdfAnisotropic");
       node->type = SH_NODE_BSDF_GLOSSY;
     }
   }
diff --git a/source/blender/blenloader/intern/versioning_common.cc b/source/blender/blenloader/intern/versioning_common.cc
index b6e82c01232..bf00cce0346 100644
--- a/source/blender/blenloader/intern/versioning_common.cc
+++ b/source/blender/blenloader/intern/versioning_common.cc
@@ -191,7 +191,7 @@ void version_node_id(bNodeTree *ntree, const int node_type, const char *new_name
   for (bNode *node : ntree->all_nodes()) {
     if (node->type == node_type) {
       if (!STREQ(node->idname, new_name)) {
-        strcpy(node->idname, new_name);
+        STRNCPY(node->idname, new_name);
       }
     }
   }
diff --git a/source/blender/blenloader/intern/versioning_cycles.c b/source/blender/blenloader/intern/versioning_cycles.c
index 7f815ed5d76..a37c1015cb7 100644
--- a/source/blender/blenloader/intern/versioning_cycles.c
+++ b/source/blender/blenloader/intern/versioning_cycles.c
@@ -1040,8 +1040,8 @@ static void update_voronoi_node_fac_output(bNodeTree *ntree)
   LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
     if (node->type == SH_NODE_TEX_VORONOI) {
       bNodeSocket *facOutput = BLI_findlink(&node->outputs, 1);
-      strcpy(facOutput->identifier, "Distance");
-      strcpy(facOutput->name, "Distance");
+      STRNCPY(facOutput->identifier, "Distance");
+      STRNCPY(facOutput->name, "Distance");
     }
   }
 }
diff --git a/source/blender/blenloader/intern/versioning_legacy.c b/source/blender/blenloader/intern/versioning_legacy.c
index 64a4486437b..b129c5905d4 100644
--- a/source/blender/blenloader/intern/versioning_legacy.c
+++ b/source/blender/blenloader/intern/versioning_legacy.c
@@ -324,7 +324,7 @@ static void customdata_version_242(Mesh *me)
     if (layer->type == CD_MTFACE) {
       if (layer->name[0] == 0) {
         if (mtfacen == 0) {
-          strcpy(layer->name, "UVMap");
+          STRNCPY(layer->name, "UVMap");
         }
         else {
           SNPRINTF(layer->name, "UVMap.%.3d", mtfacen);
@@ -335,7 +335,7 @@ static void customdata_version_242(Mesh *me)
     else if (layer->type == CD_MCOL) {
       if (layer->name[0] == 0) {
         if (mcoln == 0) {
-          strcpy(layer->name, "Col");
+          STRNCPY(layer->name, "Col");
         }
         else {
           SNPRINTF(layer->name, "Col.%.3d", mcoln);
@@ -843,7 +843,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
     VFont *vf;
     for (vf = bmain->fonts.first; vf; vf = vf->id.next) {
       if (BLI_str_endswith(vf->filepath, ".Bfont")) {
-        strcpy(vf->filepath, FO_BUILTIN_NAME);
+        STRNCPY(vf->filepath, FO_BUILTIN_NAME);
       }
     }
   }
@@ -1476,7 +1476,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
       for (kb = key->block.first; kb; kb = kb->next) {
         if (kb == key->refkey) {
           if (kb->name[0] == 0) {
-            strcpy(kb->name, "Basis");
+            STRNCPY(kb->name, "Basis");
           }
         }
         else {
@@ -1611,8 +1611,8 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
       Image *ima;
       for (ima = bmain->images.first; ima; ima = ima->id.next) {
         if (STREQ(ima->filepath, "Compositor")) {
-          strcpy(ima->id.name + 2, "Viewer Node");
-          strcpy(ima->filepath, "Viewer Node");
+          BLI_strncpy(ima->id.name + 2, "Viewer Node", sizeof(ima->id.name) - 2);
+          STRNCPY(ima->filepath, "Viewer Node");
         }
       }
     }
diff --git a/source/blender/blenloader/intern/versioning_userdef.c b/source/blender/blenloader/intern/versioning_userdef.c
index 0268a6130bf..c68aefa2a13 100644
--- a/source/blender/blenloader/intern/versioning_userdef.c
+++ b/source/blender/blenloader/intern/versioning_userdef.c
@@ -237,7 +237,7 @@ void blo_do_versions_userdef(UserDef *userdef)
   }
 
   if (!USER_VERSION_ATLEAST(192, 0)) {
-    strcpy(userdef->sounddir, "/");
+    STRNCPY(userdef->sounddir, "/");
   }
 
   /* patch to set Dupli Armature */
@@ -311,52 +311,52 @@ void blo_do_versions_userdef(UserDef *userdef)
 
     for (km = userdef->user_keymaps.first; km; km = km->next) {
       if (STREQ(km->idname, "Armature_Sketch")) {
-        strcpy(km->idname, "Armature Sketch");
+        STRNCPY(km->idname, "Armature Sketch");
       }
       else if (STREQ(km->idname, "View3D")) {
-        strcpy(km->idname, "3D View");
+        STRNCPY(km->idname, "3D View");
       }
       else if (STREQ(km->idname, "View3D Generic")) {
-        strcpy(km->idname, "3D View Generic");
+        STRNCPY(km->idname, "3D View Generic");
       }
       else if (STREQ(km->idname, "EditMesh")) {
-        strcpy(km->idname, "Mesh");
+        STRNCPY(km->idname, "Mesh");
       }
       else if (STREQ(km->idname, "UVEdit")) {
-        strcpy(km->idname, "UV Editor");
+        STRNCPY(km->idname, "UV Editor");
       }
       else if (STREQ(km->idname, "Animation_Channels")) {
-        strcpy(km->idname, "Animation Channels");
+        STRNCPY(km->idname, "Animation Channels");
       }
       else if (STREQ(km->idname, "GraphEdit Keys")) {
-        strcpy(km->idname, "Graph Editor");
+        STRNCPY(km->idname, "Graph Editor");
       }
       else if (STREQ(km->idname, "GraphEdit Generic")) {
-        strcpy(km->idname, "Graph Editor Generic");
+        STRNCPY(km->idname, "Graph Editor Generic");
       }
       else if (STREQ(km->idname, "Action_Keys")) {
-        strcpy(km->idname, "Dopesheet");
+        STRNCPY(km->idname, "Dopesheet");
       }
       else if (STREQ(km->idname, "NLA Data")) {
-        strcpy(km->idname, "NLA Editor");
+        STRNCPY(km->idname, "NLA Editor");
       }
       else if (STREQ(km->idname, "Node Generic")) {
-        strcpy(km->idname, "Node Editor");
+        STRNCPY(km->idname, "Node Editor");
       }
       else if (STREQ(km->idname, "Logic Generic")) {
-        strcpy(km->idname, "Logic Editor");
+        STRNCPY(km->idname, "Logic Editor");
       }
       else if (STREQ(km->idname, "File")) {
-        strcpy(km->idname, "File Browser");
+        STRNCPY(km->idname, "File Browser");
       }
       else if (STREQ(km->idname, "FileMain")) {
-        strcpy(km->idname, "File Browser Main");
+        STRNCPY(km->idname, "File Browser Main");
       }
       else if (STREQ(km->idname, "FileButtons")) {
-        strcpy(km->idname, "File Browser Buttons");
+        STRNCPY(km->idname, "File Browser Buttons");
       }
       else if (STREQ(km->idname, "Buttons Generic")) {
-        strcpy(km->idname, "Property Editor");
+        STRNCPY(km->idname, "Property Editor");
       }
     }
   }
diff --git a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
index a5aee76954b..d170f2c68e4 100644
--- a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
+++ b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
@@ -104,7 +104,7 @@ BlenderStrokeRenderer::BlenderStrokeRenderer(Render *re, int render_count)
   freestyle_scene->r.border.ymin = old_scene->r.border.ymin;
   freestyle_scene->r.border.xmax = old_scene->r.border.xmax;
   freestyle_scene->r.border.ymax = old_scene->r.border.ymax;
-  strcpy(freestyle_scene->r.pic, old_scene->r.pic);
+  STRNCPY(freestyle_scene->r.pic, old_scene->r.pic);
   freestyle_scene->r.dither_intensity = old_scene->r.dither_intensity;
   STRNCPY(freestyle_scene->r.engine, old_scene->r.engine);
   if (G.debug & G_DEBUG_FREESTYLE) {
diff --git a/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp b/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
index 2f7e61c4db4..b717ef88a93 100644
--- a/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
+++ b/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
@@ -708,7 +708,7 @@ void FRS_copy_active_lineset(FreestyleConfig *config)
     lineset_buffer.edge_types = lineset->edge_types;
     lineset_buffer.exclude_edge_types = lineset->exclude_edge_types;
     lineset_buffer.group = lineset->group;
-    strcpy(lineset_buffer.name, lineset->name);
+    STRNCPY(lineset_buffer.name, lineset->name);
     lineset_copied = true;
   }
 }
@@ -744,7 +744,7 @@ void FRS_paste_active_lineset(FreestyleConfig *config)
       lineset->group = lineset_buffer.group;
       id_us_plus(&lineset->group->id);
     }
-    strcpy(lineset->name, lineset_buffer.name);
+    STRNCPY(lineset->name, lineset_buffer.name);
     BKE_freestyle_lineset_unique_name(config, lineset);
     lineset->flags |= FREESTYLE_LINESET_CURRENT;
   }
diff --git a/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_dash.c b/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_dash.c
index 620c86534d3..112a97d248d 100644
--- a/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_dash.c
+++ b/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_dash.c
@@ -366,7 +366,7 @@ static void panelRegister(ARegionType *region_type)
       region_type, "mask", "Influence", NULL, mask_panel_draw, panel_type);
 
   uiListType *list_type = MEM_callocN(sizeof(uiListType), "dash modifier segment uilist");
-  strcpy(list_type->idname, "MOD_UL_dash_segment");
+  STRNCPY(list_type->idname, "MOD_UL_dash_segment");
   list_type->draw_item = segment_list_item;
   WM_uilisttype_add(list_type);
 }
diff --git a/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_time.c b/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_time.c
index f032644a53e..cf89a709e12 100644
--- a/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_time.c
+++ b/source/blender/gpencil_modifiers_legacy/intern/MOD_gpencil_legacy_time.c
@@ -417,7 +417,7 @@ static void panelRegister(ARegionType *region_type)
       region_type, "mask", "Influence", NULL, mask_panel_draw, panel_type);
 
   uiListType *list_type = MEM_callocN(sizeof(uiListType), "time modifier segment uilist");
-  strcpy(list_type->idname, "MOD_UL_time_segment");
+  STRNCPY(list_type->idname, "MOD_UL_time_segment");
   list_type->draw_item = segment_list_item;
   WM_uilisttype_add(list_type);
 }
diff --git a/source/blender/imbuf/intern/cineon/dpxlib.cc b/source/blender/imbuf/intern/cineon/dpxlib.cc
index 9a41e8cde1e..2fe58d7bcf6 100644
--- a/source/blender/imbuf/intern/cineon/dpxlib.cc
+++ b/source/blender/imbuf/intern/cineon/dpxlib.cc
@@ -52,7 +52,7 @@ static void fillDpxMainHeader(LogImageFile *dpx,
   /* --- File header --- */
   header->fileHeader.magic_num = swap_uint(DPX_FILE_MAGIC, dpx->isMSB);
   header->fileHeader.offset = swap_uint(dpx->element[0].dataOffset, dpx->isMSB);
-  strcpy(header->fileHeader.version, "V2.0");
+  STRNCPY(header->fileHeader.version, "V2.0");
   header->fileHeader.file_size = swap_uint(
       dpx->element[0].dataOffset + dpx->height * getRowLength(dpx->width, dpx->element[0]),
       dpx->isMSB);
diff --git a/source/blender/imbuf/intern/jpeg.cc b/source/blender/imbuf/intern/jpeg.cc
index 6687b809a6c..b9ac040ec2b 100644
--- a/source/blender/imbuf/intern/jpeg.cc
+++ b/source/blender/imbuf/intern/jpeg.cc
@@ -567,7 +567,7 @@ static void write_jpeg(jpeg_compress_struct *cinfo, ImBuf *ibuf)
 
   jpeg_start_compress(cinfo, true);
 
-  strcpy(neogeo, "NeoGeo");
+  STRNCPY(neogeo, "NeoGeo");
   neogeo_word = (NeoGeo_Word *)(neogeo + 6);
   memset(neogeo_word, 0, sizeof(*neogeo_word));
   neogeo_word->quality = ibuf->foptions.quality;
diff --git a/source/blender/imbuf/intern/openexr/openexr_api.cpp b/source/blender/imbuf/intern/openexr/openexr_api.cpp
index e8d9d564323..3cbee38f7ad 100644
--- a/source/blender/imbuf/intern/openexr/openexr_api.cpp
+++ b/source/blender/imbuf/intern/openexr/openexr_api.cpp
@@ -1480,6 +1480,8 @@ static int imb_exr_split_token(const char *str, const char *end, const char **to
 
 static int imb_exr_split_channel_name(ExrChannel *echan, char *layname, char *passname)
 {
+  const int layname_maxncpy = EXR_TOT_MAXNAME;
+  const int passname_maxncpy = EXR_TOT_MAXNAME;
   const char *name = echan->m->name.c_str();
   const char *end = name + strlen(name);
   const char *token;
@@ -1490,13 +1492,13 @@ static int imb_exr_split_channel_name(ExrChannel *echan, char *layname, char *pa
     layname[0] = '\0';
 
     if (ELEM(name[0], 'R', 'G', 'B', 'A')) {
-      strcpy(passname, "Combined");
+      BLI_strncpy(passname, "Combined", passname_maxncpy);
     }
     else if (name[0] == 'Z') {
-      strcpy(passname, "Depth");
+      BLI_strncpy(passname, "Depth", passname_maxncpy);
     }
     else {
-      strcpy(passname, name);
+      BLI_strncpy(passname, name, passname_maxncpy);
     }
 
     return 1;
@@ -1565,7 +1567,7 @@ static int imb_exr_split_channel_name(ExrChannel *echan, char *layname, char *pa
 
   /* all preceding tokens combined as layer name */
   if (end > name) {
-    BLI_strncpy(layname, name, int(end - name) + 1);
+    BLI_strncpy(layname, name, std::min(layname_maxncpy, int(end - name) + 1));
   }
   else {
     layname[0] = '\0';
diff --git a/source/blender/io/alembic/tests/abc_export_test.cc b/source/blender/io/alembic/tests/abc_export_test.cc
index 00031838669..db69d9492a8 100644
--- a/source/blender/io/alembic/tests/abc_export_test.cc
+++ b/source/blender/io/alembic/tests/abc_export_test.cc
@@ -34,7 +34,7 @@ class AlembicExportTest : public testing::Test {
     /* Fake a 25 FPS scene with a nonzero base (because that's sometimes forgotten) */
     scene.r.frs_sec = 50;
     scene.r.frs_sec_base = 2;
-    strcpy(scene.id.name, "SCTestScene");
+    STRNCPY(scene.id.name, "SCTestScene");
 
     bmain = BKE_main_new();
 
diff --git a/source/blender/io/collada/Materials.cpp b/source/blender/io/collada/Materials.cpp
index b701c87dee6..8bec979a57d 100644
--- a/source/blender/io/collada/Materials.cpp
+++ b/source/blender/io/collada/Materials.cpp
@@ -107,7 +107,7 @@ bNode *MaterialNode::add_node(int node_type, int locx, int locy, std::string lab
   bNode *node = nodeAddStaticNode(mContext, ntree, node_type);
   if (node) {
     if (label.length() > 0) {
-      strcpy(node->label, label.c_str());
+      STRNCPY(node->label, label.c_str());
     }
     node->locx = locx;
     node->locy = locy;
diff --git a/source/blender/io/collada/collada_utils.cpp b/source/blender/io/collada/collada_utils.cpp
index 1567414842a..94d662a279a 100644
--- a/source/blender/io/collada/collada_utils.cpp
+++ b/source/blender/io/collada/collada_utils.cpp
@@ -1126,7 +1126,7 @@ static bNode *bc_add_node(
   bNode *node = nodeAddStaticNode(C, ntree, node_type);
   if (node) {
     if (label.length() > 0) {
-      strcpy(node->label, label.c_str());
+      STRNCPY(node->label, label.c_str());
     }
     node->locx = locx;
     node->locy = locy;
diff --git a/source/blender/io/gpencil/intern/gpencil_io_import_svg.cc b/source/blender/io/gpencil/intern/gpencil_io_import_svg.cc
index 8067c91de98..fb81b3ca776 100644
--- a/source/blender/io/gpencil/intern/gpencil_io_import_svg.cc
+++ b/source/blender/io/gpencil/intern/gpencil_io_import_svg.cc
@@ -78,7 +78,7 @@ bool GpencilImporterSVG::read()
       MEM_freeN(layer_id);
       layer_id = (shape->id_parent[0] == '\0') ? BLI_sprintfN("Layer_%03d", prefix) :
                                                  BLI_sprintfN("%s", shape->id_parent);
-      strcpy(prv_id, layer_id);
+      STRNCPY(prv_id, layer_id);
     }
 
     /* Check if the layer exist and create if needed. */
diff --git a/source/blender/io/usd/intern/usd_reader_volume.cc b/source/blender/io/usd/intern/usd_reader_volume.cc
index 47a236aa350..f23f362329a 100644
--- a/source/blender/io/usd/intern/usd_reader_volume.cc
+++ b/source/blender/io/usd/intern/usd_reader_volume.cc
@@ -4,6 +4,8 @@
 
 #include "usd_reader_volume.h"
 
+#include "BLI_string.h"
+
 #include "BKE_object.h"
 #include "BKE_volume.h"
 
@@ -77,7 +79,7 @@ void USDVolumeReader::read_object_data(Main *bmain, const double motionSampleTim
 
       std::string filepath = fp.GetResolvedPath();
 
-      strcpy(volume->filepath, filepath.c_str());
+      STRNCPY(volume->filepath, filepath.c_str());
     }
   }
 
diff --git a/source/blender/io/usd/intern/usd_writer_material.cc b/source/blender/io/usd/intern/usd_writer_material.cc
index 8874abb288a..8db851790fa 100644
--- a/source/blender/io/usd/intern/usd_writer_material.cc
+++ b/source/blender/io/usd/intern/usd_writer_material.cc
@@ -412,7 +412,7 @@ static std::string get_in_memory_texture_filename(Image *ima)
 
   char file_name[FILE_MAX];
   /* Use the image name for the file name. */
-  strcpy(file_name, ima->id.name + 2);
+  STRNCPY(file_name, ima->id.name + 2);
 
   BKE_image_path_ext_from_imformat_ensure(file_name, sizeof(file_name), &imageFormat);
 
@@ -432,7 +432,7 @@ static void export_in_memory_texture(Image *ima,
   }
   else {
     /* Use the image name for the file name. */
-    strcpy(file_name, ima->id.name + 2);
+    STRNCPY(file_name, ima->id.name + 2);
   }
 
   ImBuf *imbuf = BKE_image_acquire_ibuf(ima, nullptr, nullptr);
@@ -674,7 +674,7 @@ static std::string get_tex_image_asset_filepath(bNode *node,
     }
 
     char rel_path[FILE_MAX];
-    strcpy(rel_path, path.c_str());
+    STRNCPY(rel_path, path.c_str());
 
     BLI_path_rel(rel_path, stage_path.c_str());
     if (!BLI_path_is_rel(rel_path)) {
diff --git a/source/blender/nodes/composite/node_composite_tree.cc b/source/blender/nodes/composite/node_composite_tree.cc
index eebd3e01815..6e74c5b8940 100644
--- a/source/blender/nodes/composite/node_composite_tree.cc
+++ b/source/blender/nodes/composite/node_composite_tree.cc
@@ -152,11 +152,11 @@ void register_node_tree_type_cmp()
   bNodeTreeType *tt = ntreeType_Composite = MEM_cnew<bNodeTreeType>(__func__);
 
   tt->type = NTREE_COMPOSIT;
-  strcpy(tt->idname, "CompositorNodeTree");
-  strcpy(tt->group_idname, "CompositorNodeGroup");
-  strcpy(tt->ui_name, N_("Compositor"));
+  STRNCPY(tt->idname, "CompositorNodeTree");
+  STRNCPY(tt->group_idname, "CompositorNodeGroup");
+  STRNCPY(tt->ui_name, N_("Compositor"));
   tt->ui_icon = ICON_NODE_COMPOSITING;
-  strcpy(tt->ui_description, N_("Compositing nodes"));
+  STRNCPY(tt->ui_description, N_("Compositing nodes"));
 
   tt->foreach_nodeclass = foreach_nodeclass;
   tt->localize = localize;
diff --git a/source/blender/nodes/geometry/node_geometry_tree.cc b/source/blender/nodes/geometry/node_geometry_tree.cc
index aeeef3f2105..80caec57ac6 100644
--- a/source/blender/nodes/geometry/node_geometry_tree.cc
+++ b/source/blender/nodes/geometry/node_geometry_tree.cc
@@ -114,11 +114,11 @@ void register_node_tree_type_geo()
   bNodeTreeType *tt = ntreeType_Geometry = static_cast<bNodeTreeType *>(
       MEM_callocN(sizeof(bNodeTreeType), "geometry node tree type"));
   tt->type = NTREE_GEOMETRY;
-  strcpy(tt->idname, "GeometryNodeTree");
-  strcpy(tt->group_idname, "GeometryNodeGroup");
-  strcpy(tt->ui_name, N_("Geometry Node Editor"));
+  STRNCPY(tt->idname, "GeometryNodeTree");
+  STRNCPY(tt->group_idname, "GeometryNodeGroup");
+  STRNCPY(tt->ui_name, N_("Geometry Node Editor"));
   tt->ui_icon = ICON_GEOMETRY_NODES;
-  strcpy(tt->ui_description, N_("Geometry nodes"));
+  STRNCPY(tt->ui_description, N_("Geometry nodes"));
   tt->rna_ext.srna = &RNA_GeometryNodeTree;
   tt->update = geometry_node_tree_update;
   tt->get_from_context = geometry_node_tree_get_from_context;
diff --git a/source/blender/nodes/intern/node_register.cc b/source/blender/nodes/intern/node_register.cc
index 5ed598c0a9e..845c0f9302d 100644
--- a/source/blender/nodes/intern/node_register.cc
+++ b/source/blender/nodes/intern/node_register.cc
@@ -29,9 +29,9 @@ static void register_undefined_types()
    */
 
   blender::bke::NodeTreeTypeUndefined.type = NTREE_UNDEFINED;
-  strcpy(blender::bke::NodeTreeTypeUndefined.idname, "NodeTreeUndefined");
-  strcpy(blender::bke::NodeTreeTypeUndefined.ui_name, N_("Undefined"));
-  strcpy(blender::bke::NodeTreeTypeUndefined.ui_description, N_("Undefined Node Tree Type"));
+  STRNCPY(blender::bke::NodeTreeTypeUndefined.idname, "NodeTreeUndefined");
+  STRNCPY(blender::bke::NodeTreeTypeUndefined.ui_name, N_("Undefined"));
+  STRNCPY(blender::bke::NodeTreeTypeUndefined.ui_description, N_("Undefined Node Tree Type"));
 
   node_type_base_custom(&blender::bke::NodeTypeUndefined, "NodeUndefined", "Undefined", 0);
   blender::bke::NodeTypeUndefined.poll = node_undefined_poll;
diff --git a/source/blender/nodes/shader/node_shader_tree.cc b/source/blender/nodes/shader/node_shader_tree.cc
index da0aeb7f83a..80f96f02865 100644
--- a/source/blender/nodes/shader/node_shader_tree.cc
+++ b/source/blender/nodes/shader/node_shader_tree.cc
@@ -164,11 +164,11 @@ void register_node_tree_type_sh()
   bNodeTreeType *tt = ntreeType_Shader = MEM_cnew<bNodeTreeType>("shader node tree type");
 
   tt->type = NTREE_SHADER;
-  strcpy(tt->idname, "ShaderNodeTree");
-  strcpy(tt->group_idname, "ShaderNodeGroup");
-  strcpy(tt->ui_name, N_("Shader Editor"));
+  STRNCPY(tt->idname, "ShaderNodeTree");
+  STRNCPY(tt->group_idname, "ShaderNodeGroup");
+  STRNCPY(tt->ui_name, N_("Shader Editor"));
   tt->ui_icon = ICON_NODE_MATERIAL;
-  strcpy(tt->ui_description, N_("Shader nodes"));
+  STRNCPY(tt->ui_description, N_("Shader nodes"));
 
   tt->foreach_nodeclass = foreach_nodeclass;
   tt->localize = localize;
diff --git a/source/blender/nodes/texture/node_texture_tree.cc b/source/blender/nodes/texture/node_texture_tree.cc
index 84cc9b10a36..8c9c8e33781 100644
--- a/source/blender/nodes/texture/node_texture_tree.cc
+++ b/source/blender/nodes/texture/node_texture_tree.cc
@@ -134,11 +134,11 @@ void register_node_tree_type_tex()
   bNodeTreeType *tt = ntreeType_Texture = MEM_cnew<bNodeTreeType>("texture node tree type");
 
   tt->type = NTREE_TEXTURE;
-  strcpy(tt->idname, "TextureNodeTree");
-  strcpy(tt->group_idname, "TextureNodeGroup");
-  strcpy(tt->ui_name, N_("Texture Node Editor"));
+  STRNCPY(tt->idname, "TextureNodeTree");
+  STRNCPY(tt->group_idname, "TextureNodeGroup");
+  STRNCPY(tt->ui_name, N_("Texture Node Editor"));
   tt->ui_icon = ICON_NODE_TEXTURE; /* Defined in `drawnode.c`. */
-  strcpy(tt->ui_description, N_("Texture nodes"));
+  STRNCPY(tt->ui_description, N_("Texture nodes"));
 
   tt->foreach_nodeclass = foreach_nodeclass;
   tt->update = update;
diff --git a/source/blender/nodes/texture/nodes/node_texture_output.cc b/source/blender/nodes/texture/nodes/node_texture_output.cc
index 4e131d1c76b..6c129c51816 100644
--- a/source/blender/nodes/texture/nodes/node_texture_output.cc
+++ b/source/blender/nodes/texture/nodes/node_texture_output.cc
@@ -120,7 +120,7 @@ static void init(bNodeTree * /*ntree*/, bNode *node)
   TexNodeOutput *tno = MEM_cnew<TexNodeOutput>("TEX_output");
   node->storage = tno;
 
-  strcpy(tno->name, "Default");
+  STRNCPY(tno->name, "Default");
   unique_name(node);
   assign_index(node);
 }
diff --git a/source/blender/windowmanager/xr/intern/wm_xr_action.c b/source/blender/windowmanager/xr/intern/wm_xr_action.c
index 4d31f9c8059..0b954140d36 100644
--- a/source/blender/windowmanager/xr/intern/wm_xr_action.c
+++ b/source/blender/windowmanager/xr/intern/wm_xr_action.c
@@ -13,6 +13,7 @@
 
 #include "BLI_listbase.h"
 #include "BLI_math.h"
+#include "BLI_string.h"
 
 #include "GHOST_C-api.h"
 
@@ -33,9 +34,7 @@
 static wmXrActionSet *action_set_create(const char *action_set_name)
 {
   wmXrActionSet *action_set = MEM_callocN(sizeof(*action_set), __func__);
-  action_set->name = MEM_mallocN(strlen(action_set_name) + 1, "XrActionSet_Name");
-  strcpy(action_set->name, action_set_name);
-
+  action_set->name = BLI_strdup(action_set_name);
   return action_set;
 }
 
@@ -70,8 +69,7 @@ static wmXrAction *action_create(const char *action_name,
                                  eXrHapticFlag haptic_flag)
 {
   wmXrAction *action = MEM_callocN(sizeof(*action), __func__);
-  action->name = MEM_mallocN(strlen(action_name) + 1, "XrAction_Name");
-  strcpy(action->name, action_name);
+  action->name = BLI_strdup(action_name);
   action->type = type;
 
   const uint count = (uint)BLI_listbase_count(user_paths);
@@ -81,9 +79,7 @@ static wmXrAction *action_create(const char *action_name,
   action->subaction_paths = MEM_mallocN(sizeof(*action->subaction_paths) * count,
                                         "XrAction_SubactionPaths");
   LISTBASE_FOREACH_INDEX (XrUserPath *, user_path, user_paths, subaction_idx) {
-    action->subaction_paths[subaction_idx] = MEM_mallocN(strlen(user_path->path) + 1,
-                                                         "XrAction_SubactionPath");
-    strcpy(action->subaction_paths[subaction_idx], user_path->path);
+    action->subaction_paths[subaction_idx] = BLI_strdup(user_path->path);
   }
 
   size_t size;
@@ -122,8 +118,7 @@ static wmXrAction *action_create(const char *action_name,
 
   if (haptic_name) {
     BLI_assert(is_button_action);
-    action->haptic_name = MEM_mallocN(strlen(haptic_name) + 1, "XrAction_HapticName");
-    strcpy(action->haptic_name, haptic_name);
+    action->haptic_name = BLI_strdup(haptic_name);
     action->haptic_duration = *haptic_duration;
     action->haptic_frequency = *haptic_frequency;
     action->haptic_amplitude = *haptic_amplitude;
@@ -404,7 +399,7 @@ bool WM_xr_active_action_set_set(wmXrData *xr, const char *action_set_name, bool
   if (delayed) {
     /* Save name to activate action set later, before next actions sync
      * (see #wm_xr_session_actions_update()). */
-    strcpy(xr->runtime->session_state.active_action_set_next, action_set_name);
+    STRNCPY(xr->runtime->session_state.active_action_set_next, action_set_name);
     return true;
   }
 
diff --git a/source/blender/windowmanager/xr/intern/wm_xr_session.c b/source/blender/windowmanager/xr/intern/wm_xr_session.c
index 0bb002b291f..78e5225788b 100644
--- a/source/blender/windowmanager/xr/intern/wm_xr_session.c
+++ b/source/blender/windowmanager/xr/intern/wm_xr_session.c
@@ -16,6 +16,7 @@
 
 #include "BLI_listbase.h"
 #include "BLI_math.h"
+#include "BLI_string.h"
 
 #include "DEG_depsgraph.h"
 #include "DEG_depsgraph_query.h"
@@ -1039,11 +1040,11 @@ static wmXrActionData *wm_xr_session_event_create(const char *action_set_name,
                                                   bool bimanual)
 {
   wmXrActionData *data = MEM_callocN(sizeof(wmXrActionData), __func__);
-  strcpy(data->action_set, action_set_name);
-  strcpy(data->action, action->name);
-  strcpy(data->user_path, action->subaction_paths[subaction_idx]);
+  STRNCPY(data->action_set, action_set_name);
+  STRNCPY(data->action, action->name);
+  STRNCPY(data->user_path, action->subaction_paths[subaction_idx]);
   if (bimanual) {
-    strcpy(data->user_path_other, action->subaction_paths[subaction_idx_other]);
+    STRNCPY(data->user_path_other, action->subaction_paths[subaction_idx_other]);
   }
   data->type = action->type;
 
@@ -1266,7 +1267,7 @@ void wm_xr_session_controller_data_populate(const wmXrAction *grip_action,
     wmXrController *controller = MEM_callocN(sizeof(*controller), __func__);
 
     BLI_assert(STREQ(grip_action->subaction_paths[i], aim_action->subaction_paths[i]));
-    strcpy(controller->subaction_path, grip_action->subaction_paths[i]);
+    STRNCPY(controller->subaction_path, grip_action->subaction_paths[i]);
 
     BLI_addtail(controllers, controller);
   }