The Best Cybersecurity Subreddits in 2026
Security professionals are some of Reddit's most active experts. The best cybersecurity subreddits mix breaking news about breaches and vulnerabilities with honest career advice from people working in the field.
These are the best cybersecurity subreddits in 2026.
Published . Member counts are approximate; activity checked September 25, 2026.
The best cybersecurity subreddits
- 1
Best for: General security discussion
News, careers, and professional discussion across the security field.
- 3
Best for: Security questions
Q&A for security topics and career questions.
- 4
Best for: Defensive security
Threat intel, detection engineering, and incident response.
- 5
Best for: Students & learners
Learning resources and entry-level advice.
- 6
Best for: Career advice
Breaking into and advancing in security careers.
- 9
Best for: Reverse engineering
Binary analysis, tooling, and write-ups.
- 12
Best for: Personal security help
Help for people who think they've been hacked or scammed.
Want your own Cybersecurity subreddit? Claim a dead one.
The subreddits above are thriving — but for every active community there are dozens of abandoned ones with thousands of subscribers and no active moderators. Reddit lets you take these over through its official r/redditrequest process. DeadSubs scans Reddit in real time to find dead cybersecurity subreddits you can claim.
Find dead cybersecuritysubreddits →Looking specifically for abandoned communities to take over? See our guide to dead technology subreddits or read the step-by-step claiming guide.
Frequently Asked Questions
What is the best cybersecurity subreddit?
r/cybersecurity is the best general community. For technical research, r/netsec is the gold standard.
Where can I get cybersecurity career advice?
r/SecurityCareerAdvice and r/cybersecurity both have active career discussions.
Is there a subreddit for OSCP preparation?
Yes, r/oscp is dedicated to the OSCP and offensive security certifications.
Can I take over an inactive security subreddit?
Yes. Subreddits for older tools, conferences, and certifications are often abandoned. If all human mods have been inactive for 60+ days, you can request the community via r/redditrequest. DeadSubs finds them.
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