diff --git a/.github/workflows/build-common.yml b/.github/workflows/build-common.yml
index f934a32773..8680d24c36 100644
--- a/.github/workflows/build-common.yml
+++ b/.github/workflows/build-common.yml
@@ -16,16 +16,16 @@ jobs:
   spotless:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Spotless
         run: ./gradlew spotlessCheck ${{ inputs.no-build-cache && '--no-build-cache' || '' }}
@@ -33,17 +33,17 @@ jobs:
   gradle-wrapper-validation:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
-      - uses: gradle/actions/wrapper-validation@v6
+      - uses: gradle/actions/wrapper-validation@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
   license-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
@@ -53,7 +53,7 @@ jobs:
         run: ./.github/scripts/build-azure-monitor-dependency.sh
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Generate license report
         run: |
@@ -84,10 +84,10 @@ jobs:
       - name: Support long paths
         run: git config --system core.longpaths true
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
@@ -98,10 +98,10 @@ jobs:
         run: ./.github/scripts/build-azure-monitor-dependency.sh
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Add MSBuild to PATH
-        uses: microsoft/setup-msbuild@v3
+        uses: microsoft/setup-msbuild@30375c66a4eea26614e0d39710365f22f8b0af57 # v3
 
       - name: Setup Visual Studio and Windows SDK environment
         shell: cmd
@@ -120,7 +120,7 @@ jobs:
           ${{ inputs.no-build-cache && '--no-build-cache' || '' }}
 
       - name: Upload snapshot
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           path: agent/agent/build/libs/applicationinsights-agent-*-SNAPSHOT.jar
 
@@ -147,17 +147,17 @@ jobs:
         run: git config --system core.longpaths true
         if: matrix.os == 'windows-2022'
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - id: setup-test-java
         name: Set up JDK ${{ matrix.test-java-version }}-${{ matrix.vm }} for running tests
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: ${{ matrix.vm == 'hotspot' && 'temurin' || 'adopt-openj9'}}
           java-version: ${{ matrix.test-java-version }}
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
@@ -168,7 +168,7 @@ jobs:
         run: ./.github/scripts/build-azure-monitor-dependency.sh
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Test
         # spotless is checked separately since it's a common source of failure
@@ -187,7 +187,7 @@ jobs:
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - id: set-matrix
         run: |
@@ -226,10 +226,10 @@ jobs:
       matrix: ${{fromJson(needs.setup-smoke-test-matrix.outputs.matrix)}}
       fail-fast: false
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Java 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
@@ -239,7 +239,7 @@ jobs:
         run: ./.github/scripts/build-azure-monitor-dependency.sh
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Test
         run: ./gradlew ${{ matrix.module }}:smokeTest --tests "${{ matrix.test_class }}*"
@@ -254,7 +254,7 @@ jobs:
           echo "UPLOAD_ARTIFACT_NAME=$artifact_name" >> $GITHUB_ENV
 
       - name: Upload smoke test reports
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         if: failure()
         with:
           name: ${{ env.UPLOAD_ARTIFACT_NAME }}
diff --git a/.github/workflows/codeql-daily.yml b/.github/workflows/codeql-daily.yml
index c73a50146a..ff3309a9f0 100644
--- a/.github/workflows/codeql-daily.yml
+++ b/.github/workflows/codeql-daily.yml
@@ -18,19 +18,19 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Java 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@38697555549f1db7851b81482ff19f1fa5c4fedc # v4
         with:
           languages: java
 
@@ -39,7 +39,7 @@ jobs:
         run: ./gradlew assemble --no-build-cache
 
       - name: Perform CodeQL analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@38697555549f1db7851b81482ff19f1fa5c4fedc # v4
         with:
           category: java
 
@@ -52,16 +52,16 @@ jobs:
     runs-on: windows-2022
     
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       
       - name: Set up Java 21 (required for JNI compilation)
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
 
       - name: Setup Visual Studio Build Tools
-        uses: microsoft/setup-msbuild@v3
+        uses: microsoft/setup-msbuild@30375c66a4eea26614e0d39710365f22f8b0af57 # v3
       
       # This step uses Microsoft's vswhere tool to verify that the official Windows 10 SDK (version 19041) is installed.
       # vswhere is a Microsoft-provided command-line utility that locates Visual Studio installations and their components.
@@ -71,10 +71,10 @@ jobs:
         shell: pwsh
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@38697555549f1db7851b81482ff19f1fa5c4fedc # v4
         with:
           languages: cpp
           debug: true
@@ -118,7 +118,7 @@ jobs:
           )
 
       - name: Perform CodeQL analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@38697555549f1db7851b81482ff19f1fa5c4fedc # v4
         with:
           category: cpp
 
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 572abd4792..7ed02753cd 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -25,16 +25,16 @@ jobs:
  
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Populate Gradle caches
         run: ./gradlew classes testClasses assemble spotlessApply
diff --git a/.github/workflows/owasp-dependency-check-daily.yml b/.github/workflows/owasp-dependency-check-daily.yml
index 2f8947cd31..77c2c4a0f4 100644
--- a/.github/workflows/owasp-dependency-check-daily.yml
+++ b/.github/workflows/owasp-dependency-check-daily.yml
@@ -11,16 +11,16 @@ jobs:
   analyze:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Java 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - run: ./gradlew :agent:agent:dependencyCheckAnalyze
         env:
@@ -28,7 +28,7 @@ jobs:
 
       - name: Upload report
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           path: agent/agent/build/reports
 
diff --git a/.github/workflows/perf-test_daily.yml b/.github/workflows/perf-test_daily.yml
index d11b06a6f5..2498308477 100644
--- a/.github/workflows/perf-test_daily.yml
+++ b/.github/workflows/perf-test_daily.yml
@@ -10,16 +10,16 @@ jobs:
   assemble-application-insights:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: temurin
           java-version: 21
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
 
       - name: Build Application Insights Java agent
         run: ./gradlew assemble
@@ -30,7 +30,7 @@ jobs:
       - name: Run perf test
         env:
           PERF_TEST_URL_PATTERN: ${{ secrets.PERF_TEST_URL_PATTERN }}
-        uses: gradle/gradle-build-action@v3
+        uses: gradle/gradle-build-action@ac2d340dc04d9e1113182899e983b5400c17cda1 # v3
         with:
           build-root-directory: ./perf-tests
           arguments: test
diff --git a/.github/workflows/pull-request-helper.yml b/.github/workflows/pull-request-helper.yml
index 23a921f876..d9c99aefad 100644
--- a/.github/workflows/pull-request-helper.yml
+++ b/.github/workflows/pull-request-helper.yml
@@ -10,7 +10,7 @@ jobs:
     if: github.event.pull_request.user.login == 'dependabot[bot]'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           # this is the personal access token used for "git push" below
           # which is needed in order to trigger workflows
@@ -24,7 +24,7 @@ jobs:
           gh pr checkout $NUMBER
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6
         with:
           cache-read-only: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 59b9e83ef8..d1a93eb089 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
     outputs:
       version: ${{ steps.create-github-release.outputs.version }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set environment variables
         run: |
diff --git a/.github/workflows/reusable-create-docs-pull-request.yml b/.github/workflows/reusable-create-docs-pull-request.yml
index b4831748e1..1a2a64b28d 100644
--- a/.github/workflows/reusable-create-docs-pull-request.yml
+++ b/.github/workflows/reusable-create-docs-pull-request.yml
@@ -32,7 +32,7 @@ jobs:
           gh repo sync xiang17/azure-monitor-docs-pr \
               --source MicrosoftDocs/azure-monitor-docs-pr
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           repository: xiang17/azure-monitor-docs-pr
           # this is the personal access token used for "git push" below
diff --git a/.github/workflows/reusable-create-version-bump-pull-request.yml b/.github/workflows/reusable-create-version-bump-pull-request.yml
index 44abada40a..826910e477 100644
--- a/.github/workflows/reusable-create-version-bump-pull-request.yml
+++ b/.github/workflows/reusable-create-version-bump-pull-request.yml
@@ -17,7 +17,7 @@ jobs:
   bump-version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set environment variables
         env:
diff --git a/.github/workflows/reusable-scheduled-job-notification.yml b/.github/workflows/reusable-scheduled-job-notification.yml
index 062c7d9b70..b398c17496 100644
--- a/.github/workflows/reusable-scheduled-job-notification.yml
+++ b/.github/workflows/reusable-scheduled-job-notification.yml
@@ -13,7 +13,7 @@ jobs:
       issues: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Open issue or add comment if issue already open
         env: