diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..365eeece
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /
+    schedule:
+      interval: daily
diff --git a/.github/workflows/ci-clang-scan.yml b/.github/workflows/ci-clang-scan.yml
index ef4ef9fe..f0308fda 100644
--- a/.github/workflows/ci-clang-scan.yml
+++ b/.github/workflows/ci-clang-scan.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: Configure CMake
diff --git a/.github/workflows/ci-cmake-options.yml b/.github/workflows/ci-cmake-options.yml
index 5bcaae70..26967ec5 100644
--- a/.github/workflows/ci-cmake-options.yml
+++ b/.github/workflows/ci-cmake-options.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
 
diff --git a/.github/workflows/ci-cov-linux-report.yml b/.github/workflows/ci-cov-linux-report.yml
index c71dd9d7..99d221de 100644
--- a/.github/workflows/ci-cov-linux-report.yml
+++ b/.github/workflows/ci-cov-linux-report.yml
@@ -2,6 +2,9 @@ name: coverity-linux-and-python-report
 
 on: [workflow_dispatch, workflow_call]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -9,7 +12,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
 
@@ -29,7 +37,7 @@ jobs:
         ci-cov-linux-report.sh PCM.linux.and.python
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: coverity-linux-and-python-report-${{ github.sha }}
         path: "*-Report.pdf"
\ No newline at end of file
diff --git a/.github/workflows/ci-cov-linux.yml b/.github/workflows/ci-cov-linux.yml
index 0313fd02..c8c5c271 100644
--- a/.github/workflows/ci-cov-linux.yml
+++ b/.github/workflows/ci-cov-linux.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: coverity-linux
diff --git a/.github/workflows/ci-cov-python.yml b/.github/workflows/ci-cov-python.yml
index ccf50d27..e2e3d16a 100644
--- a/.github/workflows/ci-cov-python.yml
+++ b/.github/workflows/ci-cov-python.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: coverity-python
diff --git a/.github/workflows/ci-cov-windows-report.yml b/.github/workflows/ci-cov-windows-report.yml
index 0911964c..183b5084 100644
--- a/.github/workflows/ci-cov-windows-report.yml
+++ b/.github/workflows/ci-cov-windows-report.yml
@@ -2,6 +2,9 @@ name: coverity-windows
 
 on: [workflow_dispatch, workflow_call]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -9,12 +12,17 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
 
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@v1.1.3
+      uses: microsoft/setup-msbuild@34cfbaee7f672c76950673338facd8a73f637506 # v1.1.3
     
     - name: coverity-windows
       run: |
@@ -40,7 +48,7 @@ jobs:
         c:\pcm\ci-cov-windows-report.ps1 PCM.windows-all
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: coverity-windows-all-report-${{ github.sha }}
         path: "*-Report.pdf"
diff --git a/.github/workflows/ci-cov-windows.yml b/.github/workflows/ci-cov-windows.yml
index 9ac66fce..288cbf9f 100644
--- a/.github/workflows/ci-cov-windows.yml
+++ b/.github/workflows/ci-cov-windows.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,12 +16,17 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
 
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@v1.1.3
+      uses: microsoft/setup-msbuild@34cfbaee7f672c76950673338facd8a73f637506 # v1.1.3
     
     - name: coverity-windows
       run: |
diff --git a/.github/workflows/ci-cpack.yml b/.github/workflows/ci-cpack.yml
index c73d066b..6cad4653 100644
--- a/.github/workflows/ci-cpack.yml
+++ b/.github/workflows/ci-cpack.yml
@@ -6,13 +6,21 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   job-build1:
     runs-on: ci-gcc9
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: Configure CMake
@@ -35,7 +43,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: Configure CMake
diff --git a/.github/workflows/ci-cppcheck.yml b/.github/workflows/ci-cppcheck.yml
index ee4f62f8..f5176a64 100644
--- a/.github/workflows/ci-cppcheck.yml
+++ b/.github/workflows/ci-cppcheck.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}        
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: cppcheck_script
diff --git a/.github/workflows/ci-gcc10.yml b/.github/workflows/ci-gcc10.yml
index 4ac9ebfc..2ca13276 100644
--- a/.github/workflows/ci-gcc10.yml
+++ b/.github/workflows/ci-gcc10.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: Configure CMake
diff --git a/.github/workflows/ci-gcc48.yml b/.github/workflows/ci-gcc48.yml
index 5e32e997..8f117fff 100644
--- a/.github/workflows/ci-gcc48.yml
+++ b/.github/workflows/ci-gcc48.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,9 +16,14 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: install simdjson
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         repository: simdjson/simdjson
         path: src/simdjson
diff --git a/.github/workflows/ci-gcc5.yml b/.github/workflows/ci-gcc5.yml
index dab43d0e..b9682c44 100644
--- a/.github/workflows/ci-gcc5.yml
+++ b/.github/workflows/ci-gcc5.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,9 +16,14 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: install simdjson
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         repository: simdjson/simdjson
         path: src/simdjson
@@ -35,7 +43,7 @@ jobs:
         cd ${{ github.workspace }}/build
         make install -j$(nproc)
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: PCMforLinuxGCC5
         path: build/bin/*
diff --git a/.github/workflows/ci-gcc7.yml b/.github/workflows/ci-gcc7.yml
index 1af1b7a3..b58b097a 100644
--- a/.github/workflows/ci-gcc7.yml
+++ b/.github/workflows/ci-gcc7.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,9 +16,14 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: install simdjson
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         repository: simdjson/simdjson
         path: src/simdjson
diff --git a/.github/workflows/ci-gcc9.yml b/.github/workflows/ci-gcc9.yml
index caa3ee90..4ca0fc41 100644
--- a/.github/workflows/ci-gcc9.yml
+++ b/.github/workflows/ci-gcc9.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: Configure CMake
diff --git a/.github/workflows/ci-test.yml b/.github/workflows/ci-test.yml
index 0f1aeb38..bc0fe729 100644
--- a/.github/workflows/ci-test.yml
+++ b/.github/workflows/ci-test.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -13,7 +16,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: Configure CMake
@@ -32,55 +40,55 @@ jobs:
         sh ${{ github.workspace }}/tests/test.sh 2>&1 | tee test-log.txt
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: test-log-${{ github.sha }}
         path: test-log.txt
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: test-log-raw-tr-wo_ext-${{ github.sha }}
         path: build/bin/raw_tr_wo_ext.csv
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: test-log-raw-tr-wi_ext-${{ github.sha }}
         path: build/bin/raw_tr_wi_ext.csv
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: pcm-csv-${{ github.sha }}
         path: build/bin/pcm.csv
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: pcm-memory-csv-${{ github.sha }}
         path: build/bin/pcm-memory.csv
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: test-log-raw-tr-wi_ext-single_header-${{ github.sha }}
         path: build/bin/raw_tr_wi_ext_single_header.csv
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: test-log-raw-edp-${{ github.sha }}
         path: build/bin/raw_edp.txt
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: test-log-raw-json-${{ github.sha }}
         path: build/bin/raw_json.json
 
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: test-log-raw-edp-offlined-cores-${{ github.sha }}
         path: build/bin/raw_edp_offlined_cores.txt
diff --git a/.github/workflows/ci-windows-ip.yml b/.github/workflows/ci-windows-ip.yml
index a6ebc703..5a68ae23 100644
--- a/.github/workflows/ci-windows-ip.yml
+++ b/.github/workflows/ci-windows-ip.yml
@@ -2,6 +2,9 @@ name: windows-ip
 
 on: [workflow_dispatch, workflow_call]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -10,6 +13,11 @@ jobs:
 
     steps:
     
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
     - name: windows-ip
       run: |
         ipconfig
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index 88c6efcd..093d1df9 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -9,6 +9,9 @@ on:
 env:
   BUILD_TYPE: Release
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -16,7 +19,12 @@ jobs:
     if: ${{ github.repository != 'intel/pcm' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: Configure CMake
@@ -27,13 +35,13 @@ jobs:
       run: |
         cmake --build ${{github.workspace}}\build --config ${{env.BUILD_TYPE}} --parallel
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@v1.1.3
+      uses: microsoft/setup-msbuild@34cfbaee7f672c76950673338facd8a73f637506 # v1.1.3
     - name: Build MSR driver
       run: |
         chdir ${{github.workspace}}\src\WinMSRDriver
         msbuild MSR.vcxproj /p:Configuration=Release,Platform=x64 /t:Clean,Build /m
     - name: upload-artifact
-      uses: actions/upload-artifact@v3.1.1
+      uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb # v3.1.1
       with:
         name: PCMforWindows
         path: build/bin/**/*
diff --git a/.github/workflows/clang_scan.yml b/.github/workflows/clang_scan.yml
index 86e9eeaa..e836b9f1 100644
--- a/.github/workflows/clang_scan.yml
+++ b/.github/workflows/clang_scan.yml
@@ -14,6 +14,9 @@ on:
   workflow_dispatch:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
+permissions:
+  contents: read
+
 jobs:
   # This workflow contains a single job called "build"
   build:
@@ -24,7 +27,12 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
+      - name: Harden Runner
+        uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           submodules: recursive
 
diff --git a/.github/workflows/cppcheck.yml b/.github/workflows/cppcheck.yml
index 0949461e..1476c0a6 100644
--- a/.github/workflows/cppcheck.yml
+++ b/.github/workflows/cppcheck.yml
@@ -14,6 +14,9 @@ on:
   workflow_dispatch:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
+permissions:
+  contents: read
+
 jobs:
   # This workflow contains a single job called "build"
   build:
@@ -23,7 +26,12 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
+      - name: Harden Runner
+        uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           submodules: recursive
 
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index f8788ea3..59c0b51f 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -9,25 +9,30 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+        with:
+          egress-policy: audit
+
       - name: Get current time
-        uses: 1466587594/get-current-time@v2
+        uses: 1466587594/get-current-time@5979d2f4455ed5df566aa6df67cedd77d17afaa9 # v2.1.1
         id: current-time
         with:
           format: YYYY-MM-DD--HH
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           submodules: recursive
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@27d0a4f181a40b142cce983c5393082c365d1480 # v1.2.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@f211e3e9ded2d9377c8cadc4489a4e38014bc4c9 # v1.7.0
 
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@8492260343ad570701412c2f464a5877dc76bace # v2
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
@@ -35,7 +40,7 @@ jobs:
             ${{ runner.os }}-buildx-
 
       - name: Login to DockerHub
-        uses: docker/login-action@v1 
+        uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7 # v1.14.1 
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
@@ -48,7 +53,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a # v2.10.0
         with:
           platforms: linux/amd64
           push: true
diff --git a/.github/workflows/freebsd_build.yml b/.github/workflows/freebsd_build.yml
index 10e9d2fb..ddcb3210 100644
--- a/.github/workflows/freebsd_build.yml
+++ b/.github/workflows/freebsd_build.yml
@@ -12,12 +12,17 @@ jobs:
     runs-on: macos-12
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: build in FreeBSD VM
       id: build
-      uses: cross-platform-actions/action@v0.21.0
+      uses: cross-platform-actions/action@0e13474a2ba7ba382e217ad80230150266611323 # v0.21.0
       with:
         memory: 2048
         shell: sh
diff --git a/.github/workflows/freebsd_scan_build.yml b/.github/workflows/freebsd_scan_build.yml
index adcd731b..1a7dec8d 100644
--- a/.github/workflows/freebsd_scan_build.yml
+++ b/.github/workflows/freebsd_scan_build.yml
@@ -12,12 +12,17 @@ jobs:
     runs-on: macos-12
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: clang scan build in FreeBSD VM
       id: clang-scan-build
-      uses: cross-platform-actions/action@v0.21.0
+      uses: cross-platform-actions/action@0e13474a2ba7ba382e217ad80230150266611323 # v0.21.0
       with:
         memory: 2048
         shell: sh
diff --git a/.github/workflows/linux_make.yml b/.github/workflows/linux_make.yml
index a515b9f0..d5d6f543 100644
--- a/.github/workflows/linux_make.yml
+++ b/.github/workflows/linux_make.yml
@@ -6,11 +6,19 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: cmake
       run: |
         rm -rf ${{ github.workspace }}/build
@@ -22,7 +30,12 @@ jobs:
   build-systemd-unit:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: cmake
       run: |
         rm -rf ${{ github.workspace }}/build
@@ -35,7 +48,12 @@ jobs:
     runs-on: ubuntu-20.04
     container: ubuntu:22.04
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - name: install dependencies
       run: |
         apt update
@@ -51,7 +69,12 @@ jobs:
   build-source-simdjson:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: cmake
diff --git a/.github/workflows/macos-scan-build.yml b/.github/workflows/macos-scan-build.yml
index ac2d1ad5..d3c2c0a3 100644
--- a/.github/workflows/macos-scan-build.yml
+++ b/.github/workflows/macos-scan-build.yml
@@ -6,13 +6,21 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
     runs-on: macos-12
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: cmake
diff --git a/.github/workflows/macosx_build.yml b/.github/workflows/macosx_build.yml
index 112d78e4..836e235e 100644
--- a/.github/workflows/macosx_build.yml
+++ b/.github/workflows/macosx_build.yml
@@ -6,13 +6,21 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
     runs-on: macos-12
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         submodules: recursive
     - name: cmake
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 0df5c570..c56156de 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -31,6 +31,11 @@ jobs:
       # actions: read
 
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+        with:
+          egress-policy: audit
+
       - name: "Checkout code"
         uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
         with:
diff --git a/.github/workflows/stats-cron-job.yml b/.github/workflows/stats-cron-job.yml
index 52ebd053..99b06fda 100644
--- a/.github/workflows/stats-cron-job.yml
+++ b/.github/workflows/stats-cron-job.yml
@@ -4,10 +4,18 @@ on:
   schedule:
     - cron: '30 23 * * 2'
 
+permissions:
+  contents: read
+
 jobs:
   stats:
     runs-on: ubuntu-20.04
     steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@eb238b55efaa70779f274895e782ed17c84f2895 # v2.6.1
+      with:
+        egress-policy: audit
+
     - name: stats
       run: |
         curl https://hetthbszh0.execute-api.us-east-2.amazonaws.com/default/pcm-clones
diff --git a/Dockerfile b/Dockerfile
index 25c7b38c..23768517 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
-FROM fedora:37 as builder
+FROM fedora:37@sha256:de153a3928b8901ad05d8d3314a1f7680570979bd2c04c4562b817daa8358a33 as builder
 
 RUN dnf -y install gcc-c++ git findutils make cmake
 COPY . /tmp/pcm
 RUN cd /tmp/pcm && mkdir build && cd build && cmake .. && make
 
-FROM fedora:37
+FROM fedora:37@sha256:de153a3928b8901ad05d8d3314a1f7680570979bd2c04c4562b817daa8358a33
 COPY --from=builder /tmp/pcm/build/bin/* /usr/local/bin/
 ENV PCM_NO_PERF=1