Matt Weeks has performed research in mathematics in chaos and cryptology, and focuses on information security. He enjoys finding ways to break application security, writing shellcode, and creating post-exploitation techniques. Also known as scriptjunkie, he has developed for the Metasploit framework, wrote the sessionthief MITM tool, has spoken at conferences such as DEFCON and Black Hat, and broke a cryptosystem based on chaos theory. He runs the site http://www.scriptjunkie.us/