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 ai, security, cybersecurity, cyber, and data.
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
: "Human rights activist possibly under surveillance: how to build a secure, low-cost setup for video calls with lawyers at the UN?"
12 posts
#2
Advice Requests
: "I condensed OWASP, Twelve-Factor, and security fundamentals into a checklist for people building apps with AI who aren't developers"
4 posts
#3
Ideas
: "Built a "defensive deception" layer that feeds believable fake data to unauthorized readers — looking for fresh eyes to try to break it (beta)"
2 posts
#4
Self-Promotion
: "Selling My Production-Ready Bot Detection System — Full Source Code and Admin Dashboard"
1 post
Popular Topics in r/Infosec
#1
Ai
: "Number of Ai chatbots ignoring human instructions increasing"
16 posts
#2
Security
: "AI in IT Security: The Next Generation of Cyber Defense"
12 posts
#3
Cybersecurity
: "Cyber health checkup"
12 posts
#4
Cyber
: "No vulnerability scanning is required for the Cyber Resilience Act in September. Nobody pushing that deadline can name the paragraph — because there isn't one."
10 posts
#5
Data
: "I built an open-source CLI to see exactly what Data Cursor, Copilot, and other AI tools are leaking to the cloud"
9 posts
#6
Vulnerabilities
: "Container vulns are out of control and best vulnerability management tools aren't helping."
5 posts
#7
Vulnerability
: "No Vulnerability scanning is required for the Cyber Resilience Act in September. Nobody pushing that deadline can name the paragraph — because there isn't one."
4 posts
#8
Data Leakage
: "AI Output Leakage"
3 posts
#9
Mentor
2 posts
#10
Agent
: "If an Agent moved money last Tuesday, can you prove who authorized it?"
2 posts
Member Growth in r/Infosec
Yearly
+9k members(28.7%)
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About
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Last updated: August 14, 2026