diff --git a/static/.well-known/security.txt b/static/.well-known/security.txt
new file mode 100644
index 0000000..873a916
--- /dev/null
+++ b/static/.well-known/security.txt
@@ -0,0 +1,5 @@
+Canonical: https://ipng.ch/.well-known/security.txt
+Expires: 2026-01-01T00:00:00.000Z
+Contact: mailto:info@ipng.ch
+Contact: https://ipng.ch/s/contact/
+Preferred-Languages: en, nl, de