Chats_and_Forums

See also:

HackerThreads.org - Security Forum - Discussion forums with tutorials, Hacking programs and miscellaneous threads.
The Forbidden Web Archive - Security and Development Forum with a Security Basics Forum and Vuln-Dev.
HFX International Forum - Discussion forum for topics surrounding the underground, technology and the like.
SecureRoot - One of the worlds longest established hacking forums, offering resources covering everything from cracking to phreaking.
Social Engineering - Discussion forum about the insecurity of humans known as social engineering.

XML Feeds:

Irvine Underground Forums - Discussion forum for Southern California security experts and hackers. [RSS]