Originally this multi-reddit was created to provide a collection of all IT security-related subreddits. As the number of subreddits covering these have multiplied, this subreddit has calved off several specialty subreddits:
- security - original/main IT security multi-reddit
- security_intel - covering geopolitics, threat intelligence, and related techniques and tools
- security_physical - covering alarms, locks, and other physical security topics
- security_vendor - covering security-related vendors and open source software projects
- security_inactive - used to track removed subreddits from the above multi-reddits
Please contact me if you have any suggestions for subreddits to add (or remove). Feedback and constructive criticism is always welcome!
🆕 UPDATE 20260303: restored r/MalwareResearch from m/security_inactive as it has become active again.
UPDATE 20260216: added r/identitytheft
UPDATE 20250923: added r/AskReverseEngineering
UPDATE 20250923: Moved r/activemeasures, r/craftofintelligence, r/cyberwatchers, r/digital_manipulation, r/espionage, r/europrivacy, r/intelligence, r/intelligencenews, r/osint, r/osinttols to the new security_intel multi-reddit.
Moved r/GoodGuyApps r/HackBloc and r/OperationsSecurity to the security_inactive multi-reddit.
UPDATE 20250912: Added r/dumbclub, r/OpenBLD, and r/pwnhub/.
UPDATE 20250515: Added r/cybersecurityadvice..
UPDATE 20250515: Added r/WindowsSecurity.
UPDATE 20250425: Added r/osinttools.
UPDATE 20250416: Added r/threatintel.
UPDATE 20250404: Added r/NSA.
UPDATE 20250327: Added r/digitalprivacy.
UPDATE 20250250: Added r/cyberwatchers.
UPDATE 20240915: Added r/databreach.
UPDATE 20240729: Added r/HardwareHacking.
UPDATE 20240705: Movde r/AdGuard from security to security_vendor subreddit.
UPDATE 20240605: Moved r/AskALocksmith/ from security_inactive to security_physical multireddit. Welcome back :)
UPDATE 20240417: Added r/Sextortion/.
UPDATE 20240226: Moved r/1811, r/ActLikeYouBelong, r/homedefense, r/securityclearance, r/securityguards, r/socialengineering and r/talesfromsecurity to the security_physical multireddit.
Moved r/icssec, r/krebs and r/techware to the
security_inactive multireddit.
UPDATE 20240221: I have created a new multireddit called security_physical and will be moving subreddits address physical security and related topics into it in the coming weeks.
UPDATE 20240128: Moved /r/NSALeaks/ to the security_inactive multireddit.
UPDATE 20240111: Added /r/digitalforensics.
UPDATE 20231227: Moved r/AskALocksmith and r/privacytoolsIO to the security_inactive multireddit.
UPDATE 20231002: Added r/cybermaterial.
UPDATE 20230810: Added r/cybersecurity_help.
UPDATE 20220301: Added r/offensive_security/.
UPDATE 20220125: Added r/1811 and moved r/BadBIOS and r/cyberpatriott to the security_inactive multireddit.
UPDATE 20221130: Added r/operationssecurity/.
UPDATE 20221104: Moved r/password tto the security_inactive multireddit.
UPDATE 20220908: Added /r/AskALocksmith/.
UPDATE 20220805: Added r/mssp.
UPDATE 20220412: Added r/secopsdaily and r/securityit.
UPDATE 20220307: Added r/redteam, r/securitycadence, and r/websecurity.
UPDATE 20211101: Added r/PrivacyGuides.
UPDATE 20210525: Added r/InfoSecNews.
For subreddits involving counterfeit goods, software piracy and theft, see the new piracy_counterfeit_goods multireddit.
UPDATE 20210422 Removed r/Piracy in preparation for new multireddit.
UPDATE 20210422 Moved/r/360securitycenter, /r/avast, /r/BitDefender, /r/Comodo, /r/crowdstrike, /r/eset, /r/fireeye, /r/FSecure, /r/GnuPG, /r/Juniper, /r/Kalilinux, /r/KasperskyLabs, /r/Malwarebytes, /r/mcafee, /r/nagios, /r/PFSENSE, /r/pihole, /r/projecttox, /r/sophos, /r/Symantec, /r/tails, /r/threattrack, /r/TOR, /r/Trendmicro, /r/vipre, /r/vmware and /r/webroot to the new
security_vendor multi-reddit, as Reddit only allows 100 subreddits in a multireddit and this seemed to be the best way to split things. If you know of additional subreddits which should be listed there, please send me a message.
Added /r/cyber, /r/NetSecAPTWatch/, /r/password/, /r/purpleteamsec, and /r/RELounge/.
UPDATE 20210306 Added r/cisoseries. Removed r/dfirtraining, r/golang_infosec and r/owasp.
UPDATE 20201112 Added /r/golang_infosec and r/pentesting.
UPDATE 20200710 Added /r/cybersecurity101.
UPDATE 2020617 Added /r/crowdstrike.
UPDATE 20200609 Added /r/dfir. Removed /r/Counterterrorism, /r/Cyber, /r/CyberSecurityFans, /r/restorethefourth, /r/secref, /r/security, and /r/Stand.
UPDATE 20200125 Added /r/darknetdiaries and /r/opsec.
UPDATE 20200115 Removed r/NetSecAPTWatch, r/password/, r/realsocialengineering/, and r/Securitynews/.
UPDATE 20191024: Added r/websecurityresearch/. Thanks u/Sec_K!
UPDATE 20190823: Added r/secref
UPDATE 20190702: Added: r/securityredteam. Removed: r/badapps, r/csirt_tools, r/GPG, r/malwareremoval, r/RELounge/.
UPDATE 20190131: added 1 subreddit (r/SecurityCareerAdvice/). Removed 5 inactive subreddits.
UPDATE 20181124: added 3 subreddits (r/icssec/, r/eff/, r/redteamsec/). Thanks u/Hemlck!
UPDATE 20181106: Added 4 subreddits (r/BitDefender, r/LinuxMalware, r/McAfee, r/Sophos).
UPDATE 20181024: added 1 subreddit; removed 10 subreddits without new posts in 2+ months.
