Ronald L. Rivest's Cryptography and Security  
   Provides links to cryptography and security sites.
   http://theory.lcs.mit.edu/~rivest/crypto-security.html

comp.security Newsgroup FAQs  
   Security related FAQ covering a variety of subjects.
   http://www.faqs.org/faqs/by-newsgroup/comp/comp.security.html

The Encyclopedia of Computer Security  
   A complete one-source location for information security news, products, whitepapers, events, and definitions requires the use of JavaScript for navigation and display purposes.
   http://www.itsecurity.com/

Tek-Tips  
   General computer security technical support forums. Selling and recruiting forbidden.
   http://www.tek-tips.com/gthreadminder.cfm/lev2/3/lev3/21/pid/83

IT Baseline Protection Manual  
   Standard security safeguards for Unix, Novell, Windows NT, Firewalls, PBX, Databases, Email, ITSEC Management, Infrastructure, and ISDN.
   http://www.bsi.bund.de/gshb/english/menue.htm

Computer Security Book List  
   Provides a list of security books with their online availability and short review, currently has 105 books and growing.
   http://www.chuvakin.org/books/

Technical Info  
   Provides plain language technical papers on security and securing organizations.
   http://www.technicalinfo.net

How to find security holes  
   Short primer originally written for the Linux Security Audit project.
   http://www.canonical.org/~kragen/security-holes.html

Personal Internet Security  
   Suggestions for protecting your computer and your privacy on the Internet.
   http://www.donwright.com/security/

Secure Programming for Linux and Unix HOWTO  
   This document provides a set of design and implementation guidelines for writing secure programs for Linux and Unix systems.
   http://www.dwheeler.com/secure-programs

SANS Institute - Security Products Explained  
   Presents the major categories of security products/services, briefly describes what each seeks to do, and provides the names of some products currently in the market place.
   http://www.sans.org/securityproducts/

SANS Institute - The Internet Guide To Popular Resources On Computer Security  
   Combination FAQ and library providing answers to common information requests about computer security.
   http://www.sans.org/resources/popular.php