diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index e9c3d3da9..af20a45a4 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -15,6 +15,9 @@ env:
   RETH_IMAGE_NAME: node-reth
   NETHERMIND_IMAGE_NAME: node-nethermind
 
+permissions:
+  contents: read
+
 jobs:
   geth:
     strategy:
@@ -26,11 +29,16 @@ jobs:
             runs-on: ubuntu-24.04-arm
     runs-on: ${{ matrix.settings.runs-on }}
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Log into the Container registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -38,18 +46,18 @@ jobs:
 
       - name: Extract metadata for the Docker image
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@818d4b7b91585d195f67373fd9cb0332e31a7175 # v4.6.0
         with:
           images: |
             ${{ env.NAMESPACE }}/${{ env.GETH_DEPRECATED_IMAGE_NAME }}
             ${{ env.NAMESPACE }}/${{ env.GETH_IMAGE_NAME }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Build and push the Docker image
         id: build
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           file: geth/Dockerfile
@@ -70,7 +78,7 @@ jobs:
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
   
       - name: Upload digest
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: digests-geth-${{ env.PLATFORM_PAIR }}
           path: ${{ runner.temp }}/digests/*
@@ -88,11 +96,16 @@ jobs:
             features: jemalloc,optimism
     runs-on: ${{ matrix.settings.runs-on }}
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
 
       - name: Log into the Container registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -100,17 +113,17 @@ jobs:
 
       - name: Extract metadata for the Docker image
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@818d4b7b91585d195f67373fd9cb0332e31a7175 # v4.6.0
         with:
           images: |
             ${{ env.NAMESPACE }}/${{ env.RETH_IMAGE_NAME }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Build and push the Docker image
         id: build
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           file: reth/Dockerfile
@@ -133,7 +146,7 @@ jobs:
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
 
       - name: Upload digest
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: digests-reth-${{ env.PLATFORM_PAIR }}
           path: ${{ runner.temp }}/digests/*
@@ -150,29 +163,34 @@ jobs:
             runs-on: ubuntu-24.04-arm
     runs-on: ${{ matrix.settings.runs-on }}
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
 
       - name: Log into the Container registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Extract metadata for the Docker image
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@818d4b7b91585d195f67373fd9cb0332e31a7175 # v4.6.0
         with:
           images: |
             ${{ env.NAMESPACE }}/${{ env.NETHERMIND_IMAGE_NAME }}
 
       - name: Build and push the Docker image
         id: build
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           file: nethermind/Dockerfile
@@ -193,7 +211,7 @@ jobs:
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
 
       - name: Upload digest
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: digests-nethermind-${{ env.PLATFORM_PAIR }}
           path: ${{ runner.temp }}/digests/*
@@ -206,26 +224,31 @@ jobs:
     needs:
       - geth
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-geth-*
           merge-multiple: true
 
       - name: Log into the Container registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Extract metadata for the Docker image
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         with:
           images: |
             ${{ env.NAMESPACE }}/${{ env.GETH_DEPRECATED_IMAGE_NAME }}
@@ -249,26 +272,31 @@ jobs:
     needs:
       - reth
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-reth-*
           merge-multiple: true
 
       - name: Log into the Container registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Extract metadata for the Docker image
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         with:
           images: |
             ${{ env.NAMESPACE }}/${{ env.RETH_IMAGE_NAME }}
@@ -288,26 +316,31 @@ jobs:
     needs:
       - nethermind
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-nethermind-*
           merge-multiple: true
 
       - name: Log into the Container registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Extract metadata for the Docker image
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         with:
           images: |
             ${{ env.NAMESPACE }}/${{ env.NETHERMIND_IMAGE_NAME }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 460e40d19..237faa4c5 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -4,6 +4,9 @@ on:
   pull_request:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   geth:
     strategy:
@@ -15,16 +18,21 @@ jobs:
             runs-on: ubuntu-24.04-arm
     runs-on: ${{ matrix.settings.runs-on }}
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Build the Docker image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           file: geth/Dockerfile
@@ -43,14 +51,19 @@ jobs:
             features: jemalloc,optimism
     runs-on: ${{ matrix.settings.runs-on}}
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
       - name: Build the Docker image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           file: reth/Dockerfile
@@ -69,14 +82,19 @@ jobs:
             runs-on: ubuntu-24.04-arm
     runs-on: ${{ matrix.settings.runs-on}}
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        with:
+          egress-policy: audit
+
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
       - name: Build the Docker image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           file: nethermind/Dockerfile