diff --git a/.github/workflows/POC-detections-gh-hosted.yml b/.github/workflows/POC-detections-gh-hosted.yml
index 0f7aa68f..e921ba39 100644
--- a/.github/workflows/POC-detections-gh-hosted.yml
+++ b/.github/workflows/POC-detections-gh-hosted.yml
@@ -20,12 +20,12 @@ jobs:
     if: ${{ github.event.inputs.run_only_anomalous != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@v2
+      - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
          egress-policy: audit
      
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Execute tj-action
         run: |
@@ -94,11 +94,11 @@ jobs:
     if: ${{ github.event.inputs.run_only_anomalous != 'true' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: step-security/harden-runner@v2
+    - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
       with:
          egress-policy: audit
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
     - name: Generate a registration token for attacker repo
       run: |
           response=$(curl -X POST -H "Authorization: token github_pat_dummy_token" \
@@ -108,7 +108,7 @@ jobs:
     if: ${{ github.event.inputs.run_only_anomalous != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@v2
+      - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 
@@ -119,7 +119,7 @@ jobs:
     if: ${{ github.event.inputs.run_only_anomalous != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@v2
+      - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 
@@ -131,11 +131,11 @@ jobs:
     if: ${{ github.event.inputs.run_only_anomalous != 'true' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: step-security/harden-runner@v2
+    - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
       with:
          egress-policy: audit
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     
     - name: Decode and print private key
       env:
@@ -154,17 +154,17 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: step-security/harden-runner@v2
+    - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
       with:
          egress-policy: audit
     - name: Checkout code
-      uses: actions/checkout@v3
-    - uses: step-security/dummy-imposter-commit-action@v1
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+    - uses: step-security/dummy-imposter-commit-action@891dbcd4d1bf6c2ac2a7b9d8d6656583f3b5cc9a # v1
   unauthorized-outbound-call:
     if: ${{ github.event.inputs.run_only_anomalous != 'true' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: step-security/harden-runner@v2
+    - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
       with:
          egress-policy: block
          allowed-endpoints: >
@@ -172,7 +172,7 @@ jobs:
           goreleaser.com:443
           www.google.com:443
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
             
     - name: Run outbound calls from host
       run: |
@@ -213,12 +213,12 @@ jobs:
     # echo "All 100 baseline runs triggered!"
     runs-on: ubuntu-latest
     steps:
-    - uses: step-security/harden-runner@v2
+    - uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
       with:
          egress-policy: audit
          
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
             
     - name: Run outbound calls from host
       run: |