Snoozenet Tim Pierce's New's Hacking page. Includes links to RFC 977, 1036, son-of-1036.
Mac Hackers Macintosh Hacking forums from Mac OS X security, development to system modifications.
Art of Hacking Fixer's Box review which reviews the usefulness of the various phreaking boxes, original files, Beating Caller ID FAQ and The Vancouver Island Payphone Mapping Project.
Jeff Ledger's PETSCII pages A peek into Jeff Ledger's Commodore hobby. Features Petscii Forums, TELBBS, Quantum Link Reloaded, and Commodore DTV Hacking .
Old Skool Phreak A website and weekly radio show dedicated to hacking and phreaking.
Hacking Linux Exposed Companion Website to Hacking Linux Exposed, Osborne/McGraw-Hill. Source code from the book, updates, and other tools to secure your Linux system.
Hacking Exposed: Web Applications Book that covers how to hack web applications, and how to secure against the attacks detailed. Author profiles, links to tools referenced in the book and reviews.
Pure Hacking Pty Ltd Dedicated penetration testing services focusing on network application and Internet security.