Winn Schwartau's (author of "Information Warfare") forums for discussing information warfare, network security and legal hacking. Additional forums include hacking and programming tutorials and challenges.

Security forums devoted to discussing news items found in the related SecurityNewsPortal website. Discussion topics include viruses, firewalls and system exploits and weaknesses.

Offers support forums on a selection of IT security topics including firewalls, encryption and malicious software. Based in UK.

Discussion forums on operating system, database and network security. Topics include security vulnerabilities, audit tools and white papers.

Focused on career development in the security industry. Forums cover management and leadership skills, appropriate technical expertise as well as resources helpful to security professionals.

Security forums covering a wide array of topics including spyware, viruses and privacy software.

Discussion forums. Subforums include firewalls, homeland security and specific security vendor products. Also offer software reviews and downloads.

Forums covering security software, malware cleaning and vulnerabilities. Also has forums for non-security topics including website reviews, SEO and system support.