diff --git a/Security.md b/Security.md
index 9f898b9..77167aa 100644
--- a/Security.md
+++ b/Security.md
@@ -30,5 +30,8 @@ In 2025, from [Forgejo](https://codeberg.org/forgejo/discussions/issues/320) to
 
 * **[How I protect my Forgejo instance from AI web crawlers](https://news.ycombinator.com/item?id=46345205)**
 
+## A deadly poison
+
+* Found that [Codeberg](https://codeberg.org/forgejo/discussions/issues/421#issuecomment-8732232) has started using the **[deadliest poison known to AI](https://iocaine.madhouse-project.org/)**