diff --git a/dfx_utils/BUILD.gn b/dfx_utils/BUILD.gn
index 5ed35ceae89a27b7eac26564ce591088ec2e01db..1a42dd6a022d3b026833fb602b84335f2001895b 100755
--- a/dfx_utils/BUILD.gn
+++ b/dfx_utils/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2022-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -71,6 +71,12 @@ ohos_shared_library("libdinput_dfx_utils") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/inputdevicehandler/BUILD.gn b/inputdevicehandler/BUILD.gn
index 5c36f6a5c291ddba11d11f1da6005fbd6ea56181..ccbf0586bd724eeba41d563d1adfbec86ec7d218 100755
--- a/inputdevicehandler/BUILD.gn
+++ b/inputdevicehandler/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -79,6 +79,12 @@ ohos_shared_library("libdinput_handler") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/interfaces/inner_kits/BUILD.gn b/interfaces/inner_kits/BUILD.gn
index bcbcb96146ffbbc488738ad87f5ede788e433964..f16bc0f52d60acce54849755b2678c7358a71033 100644
--- a/interfaces/inner_kits/BUILD.gn
+++ b/interfaces/inner_kits/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -122,6 +122,12 @@ ohos_shared_library("libdinput_sdk") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/sink/inputcollector/BUILD.gn b/services/sink/inputcollector/BUILD.gn
index 57cb89159092e389a0de4cb4d8c531a3a6f0b4ff..f4ab40d5f2a14d375d014fac3ed3b660b0869c0b 100755
--- a/services/sink/inputcollector/BUILD.gn
+++ b/services/sink/inputcollector/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -78,6 +78,12 @@ ohos_shared_library("libdinput_collector") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/sink/sinkmanager/BUILD.gn b/services/sink/sinkmanager/BUILD.gn
index 0c659407b4ba33b0f73d6c9a6e0bd8a177c1526d..11254ba4affaaedc21023ff41ff2245f1bfe09f8 100644
--- a/services/sink/sinkmanager/BUILD.gn
+++ b/services/sink/sinkmanager/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -101,6 +101,12 @@ ohos_shared_library("libdinput_sink") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/sink/transport/BUILD.gn b/services/sink/transport/BUILD.gn
index d82ddc2bc28aa3dc11fa774e787e390ce4f0bf5a..15422c99edd70f7fc0b67c487b87b13f170aea3f 100644
--- a/services/sink/transport/BUILD.gn
+++ b/services/sink/transport/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -83,6 +83,12 @@ ohos_shared_library("libdinput_sink_trans") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/source/inputinject/BUILD.gn b/services/source/inputinject/BUILD.gn
index 0c84f71d0bdcd6a83d7951a10b5dc3e7ad10296c..d767d906841f5622465fb9195b96a3c778d108d6 100644
--- a/services/source/inputinject/BUILD.gn
+++ b/services/source/inputinject/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -85,6 +85,12 @@ ohos_shared_library("libdinput_inject") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/source/sourcemanager/BUILD.gn b/services/source/sourcemanager/BUILD.gn
index aa02846825ffc0a613edd4d3defea3cb90b6e540..cc54970b716a07147d228015562b46d076cbbf1a 100644
--- a/services/source/sourcemanager/BUILD.gn
+++ b/services/source/sourcemanager/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -136,6 +136,12 @@ ohos_shared_library("libdinput_source") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/source/transport/BUILD.gn b/services/source/transport/BUILD.gn
index f5431b6bf30e638237e5262ba100d8ba09cdc1bf..952d72c922e4a8e0154905ea97af72563e221095 100755
--- a/services/source/transport/BUILD.gn
+++ b/services/source/transport/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -81,6 +81,12 @@ ohos_shared_library("libdinput_source_trans") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/state/BUILD.gn b/services/state/BUILD.gn
index 20e77dfd9a7f2ef5a5015ecb68e492d5733f8ffc..e6a458226b702ff59240e593280fe18760ccfede 100644
--- a/services/state/BUILD.gn
+++ b/services/state/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2023-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2023-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -83,6 +83,12 @@ ohos_shared_library("libdinput_sink_state") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/services/transportbase/BUILD.gn b/services/transportbase/BUILD.gn
index 622f14e736ffdda4bdf8824205a4e43b434c667b..e41d5ccd69e8262c7b3e30f223b30419937839af 100644
--- a/services/transportbase/BUILD.gn
+++ b/services/transportbase/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2022-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -79,6 +79,12 @@ ohos_shared_library("libdinput_trans_base") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/sinkhandler/BUILD.gn b/sinkhandler/BUILD.gn
index b9a2c76946e8abfe8d815cb747becfb6ab6796de..3473cc49f001ea4f9f862073972f4e842054b63f 100644
--- a/sinkhandler/BUILD.gn
+++ b/sinkhandler/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -81,6 +81,12 @@ ohos_shared_library("libdinput_sink_handler") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/sourcehandler/BUILD.gn b/sourcehandler/BUILD.gn
index 1ba3d8803ee9c891598e01c397c38c0666fbcb67..ef92104ffd9d06ef96e10c6140add7d12d7a7a58 100644
--- a/sourcehandler/BUILD.gn
+++ b/sourcehandler/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -84,6 +84,12 @@ ohos_shared_library("libdinput_source_handler") {
     "-O2",
   ]
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   subsystem_name = "distributedhardware"
 
   part_name = "distributed_input"
diff --git a/utils/BUILD.gn b/utils/BUILD.gn
index af7c74669168056a68733ed8aed26c66a52258e0..10d6c624b3c043c741237fb7ccc38bfba92535a2 100644
--- a/utils/BUILD.gn
+++ b/utils/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2024 Huawei Device Co., Ltd.
+# Copyright (c) 2022-2025 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -47,10 +47,17 @@ ohos_shared_library("libdinput_utils") {
   cflags = [
     "-O2",
     "-D_FORTIFY_SOURCE=2",
+    "-fstack-protector-strong",
   ]
 
   cflags_cc = cflags
 
+  ldflags = [
+    "-fpie",
+    "-Wl,-z,relro",
+    "-Wl,-z,now",
+  ]
+
   external_deps = [
     "c_utils:utils",
     "distributed_hardware_fwk:distributed_av_receiver",