The Analysis Console for Intrusion Databases (ACID) is a PHP-based analysis engine to search and process a database of security events generated by various IDSes, firewalls, and network monitoring tools.
Neben aktuellen security threats gibt es auch aktuelle siganturen für IDS und Konsorten.
This blog is a cursory breakdown of defeating less advanced jailbreak detection code
Intrusion Detection and
Prevention System for Firefox (aber noch Alpha)