r/netsec is a subreddit with 565k members. The most common kinds of discussions are news and advice requests, and the community frequently discusses security, vulnerability, ai, cve, and vulnerabilities.
/r/netsec is a community-curated aggregator of technical information security content. Our mission is to extract signal from the noise — to provide value to security practitioners, students, researchers, and hackers everywhere.
Popular Themes in r/netsec
#1
News
: "Kernel LPE Vulnerability Published Early Due To Third-Party Breaking Embargo"
54 posts
#2
Advice Requests
: "Ansible security and compliance guide"
8 posts
#3
Solution Requests
: "MCPwned: a Burp Suite extension for auditing MCP servers"
4 posts
#4
Pain & Anger
: "The Word 'Toad' Gave Any Website Full Control of Chrome's Most Popular VPN"
4 posts
#5
Ideas
: "System Over Model, Tested: Reproducing Mythos’s FreeBSD Find on Local Open-Weight Models"
3 posts
Popular Topics in r/netsec
#1
Security
: "X.com silently injects session-bound tracking tokens into your clipboard on every copy — Security tools correctly flag this as malicious injection"
127 posts
#2
Vulnerability
: "Kernel LPE Vulnerability Published Early Due To Third-Party Breaking Embargo"
33 posts
#3
Ai
: "Ai Agents May Always Fall for Prompt Injections"
29 posts
#4
Cve
: "Cve-2026-34621: Adobe Acrobat Reader zero-day was on VirusTotal for 136 days before Adobe named it a Cve"
16 posts
#5
Vulnerabilities
: "Exploiting Vulnerabilities in Johnson & Johnson web apps"
12 posts
#6
Malware
: "Needle crypto-stealer C2 analysis: API key embedded in plain text inside the Rust Malware unlocked 1,932 victims and the operator's withdrawal config"
10 posts
#7
Hacking
: "Hacking your PC using your speaker without ever touching it"
9 posts
#8
Windows
: "Kaspersky recently disclosed PhantomRPC, a privilege escalation technique affecting all Windows versions (tested on Server 2022/2025)"
9 posts
#9
Breach
: "Honey Tokens: Bait Credentials That Catch Breaches"
9 posts
#10
Rce
: "Unauthenticated Rce as QSECOFR via IBM i Management Central — port 5555, client-controlled verify flag, no credentials required (V7R4 and earlier)"
8 posts
Flair Used in r/netsec
#1
Contains AI
: "I found 23 Chrome extensions hijacking 758,000 users' searches for affiliate revenue"
8 posts
#2
Pending Moderation
: "Popular DAEMON Tools software infected – supply chain attack ongoing since April 8, 2026"
4 posts
#3
Rejected (Low Quality)
: "Prompt Injection finally broke my brain a little. My first article as a security student."
3 posts
#4
Pending moderation (Tool post)
: "Building a LLM honeypot that monitors all 65535 ports"
1 post
Member Growth in r/netsec
Yearly
+36k members(6.8%)
Similar Subreddits to r/netsec
r/blackhat
113k members
10.0% / yr
r/blueteamsec
69k members
26.6% / yr
r/ComputerSecurity
51k members
15.7% / yr
r/cybersecurity
1.5M members
19.9% / yr
r/cybersecurity_news
15k members
25.2% / yr
r/devsecops
19k members
101.9% / yr
r/hacking
3.0M members
4.2% / yr
r/Infosec
37k members
28.3% / yr
r/InfoSecNews
24k members
20.7% / yr
r/SecOpsDaily
12k members
548.8% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/netsec, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: June 26, 2026