diff --git a/.github/workflows/canary.yml b/.github/workflows/canary.yml
index 2e2ac9f..de983a1 100644
--- a/.github/workflows/canary.yml
+++ b/.github/workflows/canary.yml
@@ -12,6 +12,9 @@ defaults:
   run:
     shell: pwsh
 
+permissions:  # added using https://github.com/step-security/secure-workflows
+  contents: read
+
 jobs:
   update_tag:
     name: Update the rc tag to ${{ github.event.inputs.COMMIT_SHA }} commit
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 6ea6456..c6c9640 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -20,6 +20,9 @@ on:
   schedule:
     - cron: '17 0 * * 2'
 
+permissions:  # added using https://github.com/step-security/secure-workflows
+  contents: read
+
 jobs:
   analyze:
     name: Analyze
@@ -37,12 +40,17 @@ jobs:
         # Learn more about CodeQL language support at https://git.io/codeql-language-support
 
     steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@dd2c410b088af7c0dc8046f3ac9a8f4148492a95
+      with:
+        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
+
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@d171c3b028d844f2bf14e9fdec0c58114451e4bf
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@bec8c2936a0da74f16c19cedb1e9efb2b53a7e7b
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -53,7 +61,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      uses: github/codeql-action/autobuild@bec8c2936a0da74f16c19cedb1e9efb2b53a7e7b
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -67,4 +75,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@bec8c2936a0da74f16c19cedb1e9efb2b53a7e7b
diff --git a/.github/workflows/recurring-int-tests.yml b/.github/workflows/recurring-int-tests.yml
index c268cc9..4a5e07c 100644
--- a/.github/workflows/recurring-int-tests.yml
+++ b/.github/workflows/recurring-int-tests.yml
@@ -12,6 +12,11 @@ jobs:
     name: int tests
     runs-on: ubuntu-latest
     steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@dd2c410b088af7c0dc8046f3ac9a8f4148492a95
+      with:
+        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
+
     - name: Canary test
       uses: docker://ghcr.io/step-security/integration-test/int:latest
       env:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c6d445f..08f5e2e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,6 +12,9 @@ defaults:
   run:
     shell: pwsh
 
+permissions:  # added using https://github.com/step-security/secure-workflows
+  contents: read
+
 jobs:
   update_tag:
     name: Update the major tag to include the ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }} changes
@@ -28,7 +31,7 @@ jobs:
           api.github.com:443
           github.com:443
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@d171c3b028d844f2bf14e9fdec0c58114451e4bf
     - name: Update the rc tag
       uses: step-security/publish-action@b438f840875fdcb7d1de4fc3d1d30e86cf6acb5d
       with: