diff --git a/.github/workflows/close_inactive_issues.yml b/.github/workflows/close_inactive_issues.yml
new file mode 100644
index 0000000..b5d7e23
--- /dev/null
+++ b/.github/workflows/close_inactive_issues.yml
@@ -0,0 +1,22 @@
+name: Close inactive issues
+on:
+  schedule:
+    - cron: "00 00 * * *"
+
+jobs:
+  close-issues:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v4
+        with:
+          days-before-issue-stale: 30
+          days-before-issue-close: 14
+          stale-issue-label: "stale"
+          stale-issue-message: "This issue is stale because it has been open for 30 days with no activity."
+          close-issue-message: "This issue was closed because it has been inactive for 14 days since being marked as stale."
+          days-before-pr-stale: -1
+          days-before-pr-close: -1
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..1e51a3f
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,7 @@
+# Security Policy
+
+## Supported Versions
+As Pingvin Share is in beta, older versions don't get security updates. Please consider to update Pingvin Share regularly. Updates can be automated with e.g [Watchtower](https://github.com/containrrr/watchtower).
+
+## Reporting a Vulnerability
+Thank you for taking the time to report a vulnerability. Please DO NOT create an issue on GitHub because the vulnerability could get exploited. Instead please write an email to [elias@eliasschneider.com](mailto:elias@eliasschneider.com).