r/Infosec

39k members
r/Infosec is a subreddit with 39k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses security, ai, cyber, data, 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
: "How are you enforcing security policies across Linux endpoints?"
13 posts
#2
Advice Requests
: "Using AI tabletop exercises for SOC 2 evidence in a small team... what am i doing wrong"
4 posts
#3
Pain & Anger
: "My accounts were compromised but it could have been much worse"
3 posts
#4
Ideas
: "Built a "defensive deception" layer that feeds believable fake data to unauthorized readers — looking for fresh eyes to try to break it (beta)"
3 posts
#5
Self-Promotion
: "Selling My Production-Ready Bot Detection System — Full Source Code and Admin Dashboard"
1 post

Popular Topics in r/Infosec

#1

Security

: "How are you handling ChatGPT Security without blocking employee access?"
25 posts
#2

Ai

: "How long did your Ai SOC implementation actually take?"
18 posts
#3

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."
12 posts
#4

Data

: "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."
9 posts
#5

Cybersecurity

: "Hugging Face Attack: The New Era of Autonomous Cyber Threats"
4 posts
#6

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."
3 posts
#7

Teams

: "Detection isn't the bottleneck anymore , investigation is. Curious how other Teams are handling the gap."
3 posts
#8

Agent

: "If an Agent moved money last Tuesday, can you prove who authorized it?"
2 posts
#9

Pentesting

: "Web App Pentesting in the AI Era"
2 posts
#10

Ai Security

: "74% of Ai Security patches fail. Maintainers should stop auto-merging LLM fixes"
2 posts

Member Growth in r/Infosec

Yearly
+9k members(28.2%)

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Last updated: September 11, 2026