diff --git a/guides/source/security.md b/guides/source/security.md
index a464b83838d4c7cd3fb024a29adecd5eb33240e1..89a296f96526972366bc1d3625a9245a6ed1fb4f 100644
--- a/guides/source/security.md
+++ b/guides/source/security.md
@@ -1033,4 +1033,4 @@ The security landscape shifts and it is important to keep up to date, because mi
 
 * Subscribe to the Rails security [mailing list](http://groups.google.com/group/rubyonrails-security)
 * [Keep up to date on the other application layers](http://secunia.com/) (they have a weekly newsletter, too)
-* A [good security blog](http://ha.ckers.org/blog/) including the [Cross-Site scripting Cheat Sheet](http://ha.ckers.org/xss.html)
+