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. 1
    r/cybersecurity1.1M+ membersVery active · 100+ posts/monthStats →

    Best for: General security discussion

    News, careers, and professional discussion across the security field.

  2. 2
    r/netsec515K+ membersVery active · 100+ posts/monthStats →

    Best for: Technical security research

    Strictly technical — vulnerability write-ups, research, and tools.

  3. 3
    r/AskNetsec215K+ membersVery active · 100+ posts/monthStats →

    Best for: Security questions

    Q&A for security topics and career questions.

  4. 4
    r/blueteamsec50K+ membersVery active · 100+ posts/monthStats →

    Best for: Defensive security

    Threat intel, detection engineering, and incident response.

  5. 5
    r/netsecstudents130K+ membersVery active · 100+ posts/monthStats →

    Best for: Students & learners

    Learning resources and entry-level advice.

  6. 6
    r/SecurityCareerAdvice60K+ membersVery active · 100+ posts/monthStats →

    Best for: Career advice

    Breaking into and advancing in security careers.

  7. 7
    r/oscp67K+ membersVery active · 100+ posts/monthStats →

    Best for: OSCP & pentesting certs

    Preparation for the OSCP and related offensive certifications.

  8. 8
    r/hacking2.7M+ membersVery active · 100+ posts/monthStats →

    Best for: Hacking culture & news

    A broad community for hacking news, tools, and culture.

  9. 9
    r/ReverseEngineering150K+ membersVery active · 100+ posts/monthStats →

    Best for: Reverse engineering

    Binary analysis, tooling, and write-ups.

  10. 10
    r/Malware83K+ membersVery active · 100+ posts/monthStats →

    Best for: Malware analysis

    Malware research and analysis discussion.

  11. 11
    r/privacy1.4M+ membersVery active · 100+ posts/monthStats →

    Best for: Personal privacy

    Privacy news and practical advice for individuals.

  12. 12
    r/cybersecurity_help35K+ membersVery active · 100+ posts/monthStats →

    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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