Forums in the Computer Security Niche

1. Computer Science Forums
Computer Science Forums for Computer Science and Engineering (CSE), Data Structures and Algorithms, Programming Language Theory, Computations, Computer Systems, Computer Applications, Technology
https://computerscienceforums.com/  

2. Networking/Security Forums
Share your knowledge & discuss all aspects of Computer & Internet Security via a worldwide community
http://forums.windowsecurity.com/  

3. Antionline Forums
AntiOnline Forums - Computer security community for internet safety and trusted networks
http://www.antionline.com/forum.php  

4. Virtual Dr Forums-Computer Tec
This is a discussion forum for general computer PC help and troubleshooting
https://discussions.virtualdr.com/forum.php  

5. Sharky Forums
Forum has 311,570 topics.
https://www.sharkyforums.com/forum.php  

6. Techist - Tomorrow's Technology Today
Where tomorrow's tech meets today's minds.
http://www.tech-forums.net/forums/  

7. SysOpt Forums
This is a discussion forum for all aspects of computer systems optimization and customization
https://www.sysopt.com/forum.php  

8. Wilders Security Forums
Community Based Discussions about Online Privacy, Security and Data Protection
http://www.wilderssecurity.com/  

9. Cyber Tech Help Support Forums
A community in which computer users can ask for free help with topics such as computer software, computer hardware, applications, spyware, viruses, webdesign, and programming.
http://www.cybertechhelp.com/forums/  

10. Tech Support Guy
Just missed the top 10.
http://forums.techguy.org/  

11. BleepingComputer.com
A free community and discussion forum for answering Computer Help, Security, and Technical Support questions.
http://www.bleepingcomputer.com/forums/  

12. SpeedGuide.net Broadband Commu
SG Broadband Community. Everything you'd like to know about Cable Modems, DSL, Satellite, Networking, Security, Wireless, Routers and more.
http://forums.speedguide.net/forum.php  

13. Computer
computer forum
http://computerforum.com/  

14. Math Is Fun Forum / Info
https://www.mathisfunforum.com/  

15. XtremeSystems Forums
overclocking,amd,intel,xtremesystems,legend,world record,xtreme,ln2,phase,test,bench,performance
http://www.xtremesystems.org/forums/  

16. bit-tech.net Forums
Just made it into the top 50!
http://forums.bit-tech.net/  

17. Computer Support Forums
Free Computer Support and Help & Online PC Help Forums for beginners to experts alike. Simple, free and reliable computer support.
http://www.freepchelp.co.uk/  

18. Neowin
News, Reviews & Betas which includes large community peer support
https://www.neowin.net/forum/  

19. WinDrivers Computer Tech Suppo
Forum has 649,157 posts.
https://forums.windrivers.com/forum.php  

20. wololo.net/talk
Forum has 302,229 posts.
https://wololo.net/talk/  

21. [H]ard|Forum
HardOCP Community Forum for PC Hardware Enthusiasts
http://hardforum.com/  

22. TechPowerUp Forums
Computer hardware discussion forum, focused on tweakers, overclockers, gamers and enthusiasts.
http://www.techpowerup.com/forums/  

23. DIYnot Forums
DIY and home improvement forum
http://www.diynot.com/forums/  

24. E-Cigarette Forum
E-Cigarette Forum is the world's largest vape and ecig website. ECF is global vaping central - start here.
http://www.e-cigarette-forum.com/forum/  

25. DesignCommunity
The Design Community web zone is a friendly portal for discussion and mutual support in design, architecture, green building, architectural graphics, community and environmental quality issues.
http://arch.designcommunity.com/  

26. Philippines Expats Forum
Philippines Expats Forum is a friendly group of members who live in the Philippines or visit often. Ask questions expats will answer. Find visa options.Travel to Cebu.
https://www.philippines-expats.com/  

27. cellphonehacks.com
http://www.cellphonehacks.com/  

28. Zend Forums
This PHP blog includes articles from experts about PHP development, security, best practices — and more.
http://forums.zend.com/  

29. Windows
Forum has 304,900 posts.
http://forums.windowsforum.org/  

30. Overclock.net
A forum community dedicated to overclocking enthusiasts and testing the limits of computing. Come join the discussion about computing, builds, collections, displays, models, styles, scales,...
http://www.overclock.net/f/  

31. Small-Business-Forum.net
We are a friendly community of small business owners sharing our experience to help others, discuss issues, talk shop, and learn more about running and growing our businesses.
https://www.small-business-forum.net/  

32. Retrogaming Roundtable
retrogaming roundtable classic video games videogames atari nintendo sega coleco
http://www.digitpress.com/forum/forum.php  

33. Legal Help
Free legal help and information. Thousands of answers to legal questions.
https://www.expertlaw.com/forums/  

34. Business Advice Forum, Webmaster and Business Forum
Business Advice Forum is an active, friendly webmaster and business forum, where members can get advice & support for their small business or website.
http://www.businessadviceforum.com/  

35. Defense
Forum has 39,116 members.
http://www.defencetalk.com/forums/  

36. NationStates
Forum has 31,428,804 posts.
https://forum.nationstates.net/  

37. ElectriciansForums.net
Electrical Advice for Free
https://www.electriciansforums.net/  

38. GardenStew
GardenStew is a friendly community for gardeners and home owners featuring active forums, blogs, plant database, simple photo upload and more!
http://www.gardenstew.com/  

39. Dynamic Drive Forums
Dynamic Drive help forum
http://www.dynamicdrive.com/forums/forum.php  

40. Canadian TV, Computing and Home Theatre Forums
A forum community dedicated to Canadian TV, computing and home theatre owners and enthusiasts. Come join the discussion about home audio/video, displays, troubleshooting, styles, projects, DIY’s,...
http://www.digitalhome.ca/forum/  

41. Science Forums
ScienceForums.net: the world's premier science discussion forum. Many topics covered; for beginners to serious researchers.
https://www.scienceforums.net/  

42. DoItYourself.com Community Forums
Question and Answer Forums for home improvement, home repair, remodeling, decorating, hardware, electrical, electronics, travel, health, investments, real estate, traveling, banking, investing,...
http://www.doityourself.com/forum/  

43. HomeRecording.com
Home Recording dot com is a forum for anyone interested in home recording, project studios, mixing their own music and learning how to use studio and computer music products.
https://homerecording.com/bbs/  

44. Games Dreams
Welcome to Games Dreams - Discussion forums for Facebook games, browsers games, MMO games, flash games, android games, iPhone iPad games, etc.
https://gamesdreams.com/  

45. World Affairs Board
website
http://www.worldaffairsboard.com/forum.php  

46. SciForums.com
Forum discussions cover world events, science, religion, philosophy, and technology.
http://www.sciforums.com/  

47. AnandTech Forums: Technology, Hardware, Software, and Deals
Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech.
http://forums.anandtech.com/  

48. fuk.co.uk
https://www.fuk.co.uk/threads/  

49. Vauxhall Owners Forum
Forum has 510,278 topics.
http://www.migweb.co.uk/forums/  

50. HardwareCentral Forums
Forum has 176,361 topics.
http://www.hardwarecentral.com/forum.php