diff --git a/.well-known/security.txt b/.well-known/security.txt
index 473a0f4..dd9bbc5 100644
--- a/.well-known/security.txt
+++ b/.well-known/security.txt
@@ -0,0 +1,5 @@
+Contact: mailto:manfred.neidel@web.de
+Expires: 2026-12-30T23:00:00.000Z
+Encryption: https://cloudero.de/wp-content/uploads/2016/03/BA0E7D7D.asc
+Preferred-Languages: de, en
+Canonical: https://manfred-neidel.de/.well-known/security.txt
\ No newline at end of file