diff --git a/.github/workflows/gitleaks.yml b/.github/workflows/gitleaks.yml
new file mode 100644
index 0000000..d0c8cb5
--- /dev/null
+++ b/.github/workflows/gitleaks.yml
@@ -0,0 +1,20 @@
+name: Gitleaks Secret Scan
+on:
+  pull_request:
+    branches: [main, master]
+  schedule:
+    - cron: '0 3 * * 1'  # Weekly Monday 3am UTC
+  workflow_dispatch:       # Allow manual trigger
+
+jobs:
+  gitleaks:
+    name: Scan for secrets
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: gitleaks/gitleaks-action@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITLEAKS_ENABLE_COMMENTS: false
diff --git a/.github/workflows/semgrep.yml b/.github/workflows/semgrep.yml
new file mode 100644
index 0000000..9746e7d
--- /dev/null
+++ b/.github/workflows/semgrep.yml
@@ -0,0 +1,17 @@
+name: Semgrep SAST
+on:
+  pull_request:
+    branches: [main, master]
+  schedule:
+    - cron: '0 4 * * 1'  # Weekly Monday 4am UTC
+  workflow_dispatch:       # Allow manual trigger
+
+jobs:
+  semgrep:
+    name: Static analysis
+    runs-on: ubuntu-latest
+    container:
+      image: semgrep/semgrep
+    steps:
+      - uses: actions/checkout@v4
+      - run: semgrep scan --config auto --error --quiet