r/Infosec

38k members
r/Infosec is a subreddit with 38k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses security, looking for, ai, agent, and mentor.
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
: "Better options than vendor-managed Docker security images?"
8 posts
#2
Advice Requests
: "any recommendations for AI prompt visibility across browsers and IDEs?"
3 posts
#3
Pain & Anger
: "AI Tools Are Helping Mediocre North Korean Hackers Steal Millions - One group of hackers used AI for everything from vibe coding their malware to creating fake company websites—and stole as much as $12 million in three months."
2 posts
#4
News
: "AI Exploitability Index (AI-XI): A new metric for measuring real exploitability"
2 posts
#5
Ideas
: "Built a "defensive deception" layer that feeds believable fake data to unauthorized readers — looking for fresh eyes to try to break it (beta)"
1 post

Popular Topics in r/Infosec

#1

Security

: "Does a college degree actually prepare you for cyberSecurity jobs?"
8 posts
#2

Looking For

5 posts
#3

Ai

5 posts
#4

Agent

3 posts
#5

Mentor

2 posts
#6

Career

2 posts
#7

Guide

2 posts
#8

Cyber

: "Does a college degree actually prepare you for Cybersecurity jobs?"
2 posts
#9

Penetration Testing

2 posts
#10

Vulnerability

2 posts

Member Growth in r/Infosec

Yearly
+8k members(28.7%)

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About

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Last updated: August 4, 2026