r/Infosec
40k members
r/Infosec is a subreddit with 40k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses security, ai, agentic ai, agent, and cybersecurity.
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
: "Built a tool that checks if a leaked secret in your code actually matches a live cloud credential (not just another secret scanner)"
4 posts
#2
Advice Requests
: "Free, hands-on 14-week university Cybersecurity course (open to anyone online)"
4 posts
#3
Self-Promotion
: "I built an agentic security platform and I’m considering selling it — looking for honest feedback"
2 posts
#4
Pain & Anger
: "September Patch Tuesday hit with 972 fixes... how are solo sysadmins keeping up?"
1 post
Popular Topics in r/Infosec
#1
Security
: "Free, hands-on 14-week university CyberSecurity course (open to anyone online)"
14 posts
#2
Ai
: "[Open Source] Agentic Ai Security Labs: Who Let The Agents Act?"
6 posts
#3
Agentic Ai
: "[Open Source] Agentic Ai Security Labs: Who Let The Agents Act?"
4 posts
#4
Agent
: "[Open Source] Agentic AI Security Labs: Who Let The Agents Act?"
4 posts
#5
Cybersecurity
: "Free, hands-on 14-week university Cybersecurity course (open to anyone online)"
3 posts
#6
Agentic Security
: "I built an Agentic Security platform and I’m considering selling it — looking for honest feedback"
2 posts
#7
Vulnerabilities
: "we launched 72 street app, if you guys are smart enough try finding vulnerabilites"
2 posts
#8
App
: "we launched 72 street App, if you guys are smart enough try finding vulnerabilites"
2 posts
#9
Management
: "Trust Sovereignty and Management"
2 posts
#10
Privacy
1 post
Member Growth in r/Infosec
Yearly
+9k members(29.2%)
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About
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Last updated: October 1, 2026