A former intrusion specialist is training a gathering of European law enforcement agents in how the bad guys work on the Internet. Contributing editor Markus Feilner stops in for a lesson in attack techniques.

When it comes to security, public disclosure of vulnerabilities and working exploit code is now common. We look at why this can be both harmful and helpful to securing your systems.

Search out hidden attacks with the Snort intrusion detection system.

Ed Schaefer reviews the newest edition of Hacking: The Art of Exploitation.

Coworkers at the University of Tel Aviv have presented a prototype for a new host-based intrusion detection system (HIDS) for Linux. Named Korset, it uses static code analysis and promises zero failures.

You don't need expensive proprietary tools to practice the craft of computer forensics.

A forensics expert explains how to extract interesting details from a confiscated Windows hard disk using standard Linux tools.