diff --git a/source/.well-known/security.txt b/source/.well-known/security.txt
new file mode 100644
index 00000000000..4ee6a8d5adf
--- /dev/null
+++ b/source/.well-known/security.txt
@@ -0,0 +1,4 @@
+Contact: mailto:security@home-assistant.io
+Preferred-Languages: en
+Canonical: https://www.home-assistant.io/.well-known/security.txt
+Policy: https://www.home-assistant.io/security/