diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index d2c9b20..15e739a 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -2,9 +2,9 @@ name: Pylint and Pytest
 
 on:
   push:
-    branches: [ "main", "mtls-staging" ]
+    branches: [ "main", "*-staging" ]
   pull_request:
-    branches: [ "main", "mtls-staging" ]
+    branches: [ "main", "*-staging" ]
 
 permissions:
   contents: read
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..ed28bfb
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,17 @@
+# Security Policy
+
+## Supported Versions
+
+Only the latest release version of _python-sample-app_ is supported by security
+updates.
+
+| Version          | Supported          |
+| ---------------- | ------------------ |
+| Latest Release   | :white_check_mark: |
+| Earlier Releases | :x:                |
+
+## Reporting a Vulnerability
+
+If you find a vulnerability in _python-sample-app_, please report it as a security
+vulnerability on GitHub:
+<https://github.com/ericsson-iap/python-sample-app/security/advisories/new>