diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index dc618205c..bcbb363d6 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -32,3 +32,8 @@ updates:
     schedule:
       interval: "weekly"
       day: "saturday"
+
+  - package-ecosystem: docker
+    directory: /
+    schedule:
+      interval: daily
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 85fb55f56..1a296de40 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,6 +12,9 @@ concurrency:
   group: build-${{ github.event.pull_request.number || github.sha }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   build_ubuntu:
     strategy:
@@ -24,12 +27,17 @@ jobs:
       BUILD_CONFIGURATION: ${{matrix.configurations}}
 
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        with:
+          egress-policy: audit
+
       - name: Install dependencies
         run: |
           sudo apt-get update
           sudo apt install libboost-dev libboost-filesystem-dev libboost-program-options-dev libyaml-cpp-dev valgrind
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           submodules: 'recursive'
 
@@ -58,7 +66,12 @@ jobs:
       BUILD_CONFIGURATION: ${{matrix.configurations}}
 
     steps:
-      - uses: actions/checkout@v4
+      - name: Harden Runner
+        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           submodules: 'recursive'
 
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 0522fc057..8ceb40fe2 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -20,8 +20,15 @@ on:
   schedule:
     - cron: '43 12 * * 2'
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
+    permissions:
+      actions: read  # for github/codeql-action/init to get workflow details
+      contents: read  # for actions/checkout to fetch code
+      security-events: write  # for github/codeql-action/analyze to upload SARIF results
     name: Analyze
     runs-on: ubuntu-latest
 
@@ -34,14 +41,19 @@ jobs:
         # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
 
     steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+      with:
+        egress-policy: audit
+
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       with:
         submodules: 'recursive'
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@47b3d888fe66b639e431abf22ebca059152f1eea # v3.24.5
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -70,4 +82,4 @@ jobs:
         cmake --build build -j $(nproc)
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@47b3d888fe66b639e431abf22ebca059152f1eea # v3.24.5
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 5874a3ae1..62fd228c9 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -9,8 +9,14 @@ on:
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+
 jobs:
   build_ubuntu:
+    permissions:
+      checks: write  # for coverallsapp/github-action to create new checks
+      contents: read  # for actions/checkout to fetch code
     strategy:
       matrix:
         configurations: [Debug, Release]
@@ -21,12 +27,17 @@ jobs:
       BUILD_CONFIGURATION: ${{matrix.configurations}}
 
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        with:
+          egress-policy: audit
+
       - name: Install dependencies
         run: |
           sudo apt install libboost-dev libboost-filesystem-dev libboost-program-options-dev libyaml-cpp-dev lcov
           pip install gcovr
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           submodules: 'recursive'
 
@@ -45,18 +56,25 @@ jobs:
           lcov --capture --directory build --include '*/ebpf-verifier/src/*' --output-file coverage/lcov.info
 
       - name: Coveralls Parallel
-        uses: coverallsapp/github-action@master
+        uses: coverallsapp/github-action@09b709cf6a16e30b0808ba050c7a6e8a5ef13f8d # master
         with:
           github-token: ${{ secrets.github_token }}
           flag-name: run-${{ matrix.configurations }}
           parallel: true
 
   finish:
+    permissions:
+      checks: write  # for coverallsapp/github-action to create new checks
     needs: build_ubuntu
     runs-on: ubuntu-20.04
     steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+      with:
+        egress-policy: audit
+
     - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
+      uses: coverallsapp/github-action@09b709cf6a16e30b0808ba050c7a6e8a5ef13f8d # master
       with:
         github-token: ${{ secrets.github_token }}
         parallel-finished: true
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
new file mode 100644
index 000000000..3f3456223
--- /dev/null
+++ b/.github/workflows/dependency-review.yml
@@ -0,0 +1,27 @@
+# Dependency Review Action
+#
+# This Action will scan dependency manifest files that change as part of a Pull Request,
+# surfacing known-vulnerable versions of the packages declared or updated in the PR.
+# Once installed, if the workflow run is marked as required,
+# PRs introducing known-vulnerable packages will be blocked from merging.
+#
+# Source repository: https://github.com/actions/dependency-review-action
+name: 'Dependency Review'
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        with:
+          egress-policy: audit
+
+      - name: 'Checkout Repository'
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@0efb1d1d84fc9633afcdaad14c485cbbc90ef46c # v2.5.1
diff --git a/.github/workflows/scorecards.yml b/.github/workflows/scorecards.yml
new file mode 100644
index 000000000..aa2a7aa6a
--- /dev/null
+++ b/.github/workflows/scorecards.yml
@@ -0,0 +1,76 @@
+# This workflow uses actions that are not certified by GitHub. They are provided
+# by a third-party and are governed by separate terms of service, privacy
+# policy, and support documentation.
+
+name: Scorecard supply-chain security
+on:
+  # For Branch-Protection check. Only the default branch is supported. See
+  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
+  branch_protection_rule:
+  # To guarantee Maintained check is occasionally updated. See
+  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
+  schedule:
+    - cron: '20 7 * * 2'
+  push:
+    branches: ["main"]
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  analysis:
+    name: Scorecard analysis
+    runs-on: ubuntu-latest
+    permissions:
+      # Needed to upload the results to code-scanning dashboard.
+      security-events: write
+      # Needed to publish results and get a badge (see publish_results below).
+      id-token: write
+      contents: read
+      actions: read
+
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        with:
+          egress-policy: audit
+
+      - name: "Checkout code"
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        with:
+          persist-credentials: false
+
+      - name: "Run analysis"
+        uses: ossf/scorecard-action@99c53751e09b9529366343771cc321ec74e9bd3d # v2.0.6
+        with:
+          results_file: results.sarif
+          results_format: sarif
+          # (Optional) "write" PAT token. Uncomment the `repo_token` line below if:
+          # - you want to enable the Branch-Protection check on a *public* repository, or
+          # - you are installing Scorecards on a *private* repository
+          # To create the PAT, follow the steps in https://github.com/ossf/scorecard-action#authentication-with-pat.
+          # repo_token: ${{ secrets.SCORECARD_TOKEN }}
+
+          # Public repositories:
+          #   - Publish results to OpenSSF REST API for easy access by consumers
+          #   - Allows the repository to include the Scorecard badge.
+          #   - See https://github.com/ossf/scorecard-action#publishing-results.
+          # For private repositories:
+          #   - `publish_results` will always be set to `false`, regardless
+          #     of the value entered here.
+          publish_results: true
+
+      # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
+      # format to the repository Actions tab.
+      - name: "Upload artifact"
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+        with:
+          name: SARIF file
+          path: results.sarif
+          retention-days: 5
+
+      # Upload the results to GitHub's code scanning dashboard.
+      - name: "Upload to code-scanning"
+        uses: github/codeql-action/upload-sarif@a56a03b370b87b26fde6d680755f818cfda0372b # v2.24.5
+        with:
+          sarif_file: results.sarif
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 000000000..a24af8c9a
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,22 @@
+repos:
+- repo: https://github.com/gitleaks/gitleaks
+  rev: v8.16.3
+  hooks:
+  - id: gitleaks
+- repo: https://github.com/jumanjihouse/pre-commit-hooks
+  rev: 3.0.0
+  hooks:
+  - id: shellcheck
+- repo: https://github.com/pocc/pre-commit-hooks
+  rev: v1.3.5
+  hooks:
+  - id: cpplint
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+  - id: end-of-file-fixer
+  - id: trailing-whitespace
+- repo: https://github.com/pylint-dev/pylint
+  rev: v2.17.2
+  hooks:
+  - id: pylint
diff --git a/Dockerfile b/Dockerfile
index f412529d9..b74aa30a5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.04
+FROM ubuntu:20.04@sha256:bb1c41682308d7040f74d103022816d41c50d7b0c89e9d706a74b4e548636e54
 
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt update