r/Infosec
37k members
r/Infosec is a subreddit with 37k members. The most common kinds of discussions are solution requests and self-promotion, and the community frequently discusses ai, security, cybersecurity, privacy, and llm.
Information security (InfoSec) is the practice of protecting sensitive information from unauthorized access, use, disclosure, disruption, modification, or destruction. It encompasses a broad range of measures, both physical and digital, designed to safeguard information and information systems. The core principles of information security are confidentiality, integrity, and availability (the CIA triad).
Popular Themes in r/Infosec
#1
Solution Requests
: "Obsidian Security alternatives for shadow SaaS"
9 posts
#2
Self-Promotion
: "EMBA firmware analysis framework v2.0.2 available - Party the big 2k"
5 posts
#3
Advice Requests
: "New Book Exposes the Hidden Infrastructure of AI and Data Centers"
4 posts
#4
Pain & Anger
: "Low-skilled attacker used Claude, Codex to breach 14 companies"
3 posts
#5
News
: "This repo has a dropper, rat, cryptominer and AI credential stealer."
2 posts
#6
Opportunities
: "Red Team attacks. Blue Team defends. But who makes security compliant by design?"
1 post
Popular Topics in r/Infosec
#1
Ai
: "What’s the common security mistake you’ve seen Ai generate ?"
25 posts
#2
Security
: "What’s the common Security mistake you’ve seen AI generate ?"
19 posts
#3
Cybersecurity
: "Google Cybersecurity Certificate or Redfox Cybersecurity Academy?"
6 posts
#4
Privacy
: "I built a defensive Privacy-risk engine in .NET 10 (inspired by The Great Hack) — Clean Architecture, explainable scoring, 100% synthetic data"
3 posts
#5
Llm
: "NEW: malware developers added nuclear & biological weapons text to to their spyware. Goal? To trigger Llm safety refusals"
3 posts
#6
Agent
: "The enrolled wazuh Agent is not visible on Dashboard"
3 posts
#7
Malware
: "NEW: Malware developers added nuclear & biological weapons text to to their spyware. Goal? To trigger LLM safety refusals"
2 posts
#8
Judgeos
: "Judgeos V5.8 — Regulatory Mapping Without Claiming Compliance"
2 posts
#9
Threat Intelligence
: "Best practices for Threat Intelligence integration in 2026?"
2 posts
#10
Training
: "Google Cybersecurity Certificate or Redfox Cybersecurity Academy?"
2 posts
Member Growth in r/Infosec
Yearly
+8k members(28.7%)
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About
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Last updated: July 7, 2026