diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 4cce095..85e0295 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -46,3 +46,172 @@ jobs:
       - name: Run ansible-lint
         run: ansible-lint
         continue-on-error: true
+
+  secret-scanning:
+    runs-on: self-hosted
+    container:
+      image: gitleaks/gitleaks:latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Run Gitleaks secret scan
+        run: |
+          gitleaks detect --source . --verbose --no-banner --exit-code 1
+
+  dependency-scan:
+    runs-on: self-hosted
+    container:
+      image: aquasec/trivy:latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Scan npm dependencies
+        run: |
+          if [ -f "package.json" ]; then
+            echo "Scanning npm dependencies..."
+            trivy fs --security-checks vuln --severity HIGH,CRITICAL --format table --exit-code 0 .
+          else
+            echo "No package.json found, skipping npm scan"
+          fi
+        continue-on-error: true
+
+      - name: Scan Python dependencies
+        run: |
+          if [ -f "requirements.txt" ]; then
+            echo "Scanning Python dependencies..."
+            trivy fs --security-checks vuln --severity HIGH,CRITICAL --format table --exit-code 0 .
+          else
+            echo "No requirements.txt found, skipping Python scan"
+          fi
+        continue-on-error: true
+
+      - name: Generate dependency scan report
+        run: |
+          echo "Generating comprehensive scan report..."
+          trivy fs --security-checks vuln --format json --output trivy-report.json . || true
+          trivy fs --security-checks vuln --format table . || true
+
+      - name: Upload Trivy report
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: trivy-report
+          path: trivy-report.json
+
+  sast-scan:
+    runs-on: self-hosted
+    container:
+      image: returntocorp/semgrep:latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Run Semgrep scan
+        run: semgrep --config=auto --error
+        continue-on-error: true
+
+  license-check:
+    runs-on: self-hosted
+    container:
+      image: node:20-bullseye
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Install license-checker
+        run: npm install -g license-checker
+
+      - name: Check npm licenses
+        run: |
+          if [ -f "package.json" ]; then
+            license-checker --onlyAllow 'MIT;Apache-2.0;BSD-3-Clause;ISC;BSD-2-Clause' || true
+          else
+            echo "No package.json found, skipping license check"
+          fi
+        continue-on-error: true
+
+  vault-check:
+    runs-on: self-hosted
+    container:
+      image: python:3.11-slim
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Install Ansible
+        run: pip install --no-cache-dir ansible
+
+      - name: Validate vault files are encrypted
+        run: |
+          echo "Checking for Ansible Vault files..."
+          vault_files=$(find . -name "*vault*.yml" -o -name "*vault*.yaml" | grep -v ".git" || true)
+          if [ -z "$vault_files" ]; then
+            echo "No vault files found"
+            exit 0
+          fi
+          for vault_file in $vault_files; do
+            echo "Checking $vault_file..."
+            if ansible-vault view "$vault_file" > /dev/null 2>&1; then
+              echo "✓ $vault_file is properly encrypted"
+            else
+              echo "✗ ERROR: $vault_file appears to be unencrypted or invalid"
+              exit 1
+            fi
+          done
+
+  playbook-test:
+    runs-on: self-hosted
+    container:
+      image: python:3.11-slim
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Install Ansible
+        run: pip install --no-cache-dir ansible
+
+      - name: Dry-run playbooks
+        run: |
+          echo "Running dry-run tests on playbooks..."
+          failed=0
+          for playbook in playbooks/*.yml; do
+            if [ -f "$playbook" ]; then
+              echo "Testing $playbook..."
+              if ansible-playbook "$playbook" --syntax-check --list-tasks > /dev/null 2>&1; then
+                echo "✓ $playbook syntax is valid"
+              else
+                echo "✗ $playbook has syntax errors"
+                failed=1
+              fi
+            fi
+          done
+          if [ $failed -eq 1 ]; then
+            echo "Some playbooks have errors (this is expected without inventory/vault)"
+            exit 0
+          fi
+        continue-on-error: true
+
+  container-scan:
+    runs-on: self-hosted
+    container:
+      image: aquasec/trivy:latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Scan for Dockerfiles and container configs
+        run: |
+          if [ -f "Dockerfile" ] || [ -f "docker-compose.yml" ] || find . -name "Dockerfile*" -o -name "*.dockerfile" 2>/dev/null | grep -v ".git" | head -1 > /dev/null; then
+            echo "Dockerfiles found. Scanning filesystem for container-related vulnerabilities..."
+            echo "Note: This scans filesystem, not built images."
+            echo "To scan actual images, build them first and use: trivy image <image:tag>"
+            trivy fs --security-checks vuln --severity HIGH,CRITICAL --format table . || true
+          else
+            echo "No Dockerfiles found, skipping container image scan"
+            exit 0
+          fi
+        continue-on-error: true