diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
new file mode 100644
index 0000000..6b453be
--- /dev/null
+++ b/.github/workflows/security.yml
@@ -0,0 +1,32 @@
+name: Trivy Security Scan
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: "0 0 * * *" # Daily scan at midnight UTC
+  workflow_dispatch: # Allow manual trigger
+
+jobs:
+  trivy-scan:
+    name: Trivy Security Scan
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v7
+
+      - name: Run Trivy vulnerability scanner (table output)
+        uses: aquasecurity/trivy-action@v0.36.0
+        if: always()
+        with:
+          scan-type: "fs"
+          scan-ref: "."
+          format: "table"
+          severity: "CRITICAL,HIGH"
+          scanners: "vuln,secret,misconfig"
+          exit-code: "1"