diff --git a/interfaces/innerkits/native/BUILD.gn b/interfaces/innerkits/native/BUILD.gn
index bc2f205eab24e14dde0066f63b08239cbf1c51a1..84838bca0142cb6eaa42c2eabc07db4a84bce742 100644
--- a/interfaces/innerkits/native/BUILD.gn
+++ b/interfaces/innerkits/native/BUILD.gn
@@ -66,6 +66,16 @@ ohos_shared_library("fileshare_native") {
 }
 
 ohos_shared_library("fileuri_native") {
+  stack_protector_ret = true
+  sanitize = {
+    integer_overflow = true
+    ubsan = true
+    boundary_sanitize = true
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   sources = [
     "../../common/src/common_func.cpp",
     "../../common/src/json_utils.cpp",
@@ -110,6 +120,16 @@ config("remote_file_share_config") {
 }
 
 ohos_shared_library("remote_file_share_native") {
+  stack_protector_ret = true
+  sanitize = {
+    integer_overflow = true
+    ubsan = true
+    boundary_sanitize = true
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   sources = [
     "../../common/src/json_utils.cpp",
     "../../common/src/sandbox_helper.cpp",
@@ -143,6 +163,16 @@ config("sandbox_helper_config") {
 }
 
 ohos_shared_library("sandbox_helper_native") {
+  stack_protector_ret = true
+  sanitize = {
+    integer_overflow = true
+    ubsan = true
+    boundary_sanitize = true
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   sources = [
     "../../common/src/json_utils.cpp",
     "../../common/src/sandbox_helper.cpp",
diff --git a/interfaces/kits/js/BUILD.gn b/interfaces/kits/js/BUILD.gn
index ee1a7758bfeacf36173dac4576abcf81e97d47f1..5b2fa6ab31014c000b4173e9334891a5cb7584d4 100644
--- a/interfaces/kits/js/BUILD.gn
+++ b/interfaces/kits/js/BUILD.gn
@@ -52,6 +52,16 @@ ohos_shared_library("remotefileshare") {
 }
 
 ohos_shared_library("fileshare") {
+  stack_protector_ret = true
+  sanitize = {
+    integer_overflow = true
+    ubsan = true
+    boundary_sanitize = true
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   include_dirs = [
     ".",
     "../../common/include",
@@ -92,6 +102,16 @@ ohos_shared_library("fileshare") {
 }
 
 ohos_shared_library("fileuri") {
+  stack_protector_ret = true
+  sanitize = {
+    integer_overflow = true
+    ubsan = true
+    boundary_sanitize = true
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   include_dirs = [
     ".",
     "../../common/include",
@@ -133,6 +153,16 @@ ohos_shared_library("fileuri") {
 }
 
 ohos_shared_library("backup") {
+  stack_protector_ret = true
+  sanitize = {
+    integer_overflow = true
+    ubsan = true
+    boundary_sanitize = true
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   relative_install_dir = "module/file"
   subsystem_name = "filemanagement"
   part_name = "app_file_service"
diff --git a/tests/moduletests/backup_kit_inner/BUILD.gn b/tests/moduletests/backup_kit_inner/BUILD.gn
index d506df4c41f044637b0dba40f6db09bb71c700c8..6573d6c7c122aadd42ffcb1ad7205875f457152f 100644
--- a/tests/moduletests/backup_kit_inner/BUILD.gn
+++ b/tests/moduletests/backup_kit_inner/BUILD.gn
@@ -47,6 +47,12 @@ ohos_unittest("b_session_test") {
     "ipc:ipc_core",
     "samgr:samgr_proxy",
   ]
+  
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
 
   use_exceptions = true
 }
diff --git a/tests/unittests/backup_api/backup_impl/BUILD.gn b/tests/unittests/backup_api/backup_impl/BUILD.gn
index 33b29384ee0bf179780c506f58a45eae1f24a5cb..478b257385da8d135f602df1103ec7f0c89b7ede 100644
--- a/tests/unittests/backup_api/backup_impl/BUILD.gn
+++ b/tests/unittests/backup_api/backup_impl/BUILD.gn
@@ -72,6 +72,12 @@ ohos_unittest("backup_sa_impl_test") {
     "samgr:samgr_proxy",
   ]
 
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   use_exceptions = true
 }
 
diff --git a/tests/unittests/backup_sa/module_ipc/BUILD.gn b/tests/unittests/backup_sa/module_ipc/BUILD.gn
index 2d3ac401c264f8013ecfad54147bf7918ce399bf..a93e52b4da21cbab3fb5caa6481e7784a455cf82 100644
--- a/tests/unittests/backup_sa/module_ipc/BUILD.gn
+++ b/tests/unittests/backup_sa/module_ipc/BUILD.gn
@@ -50,6 +50,12 @@ ohos_unittest("module_ipc_test") {
     "storage_service:storage_manager_sa_proxy",
   ]
 
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   use_exceptions = true
 }
 
@@ -186,6 +192,12 @@ ohos_unittest("backup_service_scheduler_test") {
     "storage_service:storage_manager_sa_proxy",
   ]
 
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   use_exceptions = true
 }
 
diff --git a/tests/unittests/backup_utils/BUILD.gn b/tests/unittests/backup_utils/BUILD.gn
index 6148f4aa316140e8cef0fe39e69276210686a120..7e2e8eb4c82ef69d13d27407ca1970c5e0ff1dd6 100644
--- a/tests/unittests/backup_utils/BUILD.gn
+++ b/tests/unittests/backup_utils/BUILD.gn
@@ -77,6 +77,12 @@ ohos_unittest("b_json_test") {
     "hilog:libhilog",
   ]
 
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   use_exceptions = true
 }
 
diff --git a/tools/backup_tool/BUILD.gn b/tools/backup_tool/BUILD.gn
index b164c2006f9131c71d997ab472746d43c661ed9b..bdf86c51efd4edf55ac211387920667048b9dc57 100644
--- a/tools/backup_tool/BUILD.gn
+++ b/tools/backup_tool/BUILD.gn
@@ -15,6 +15,16 @@ import("//build/ohos.gni")
 import("//foundation/filemanagement/app_file_service/backup.gni")
 
 ohos_executable("backup_tool") {
+  stack_protector_ret = true
+  sanitize = {
+    integer_overflow = true
+    ubsan = true
+    boundary_sanitize = true
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   include_dirs = []
   deps = []
   defines = []