r/netsec is a subreddit with 562k members. The most common kinds of discussions are news and pain & anger, 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"
60 posts
#2
Pain & Anger
: "The Word 'Toad' Gave Any Website Full Control of Chrome's Most Popular VPN"
7 posts
#3
Advice Requests
: "Ansible security and compliance guide"
7 posts
#4
Solution Requests
: "MCPwned: a Burp Suite extension for auditing MCP servers"
1 post
#5
Ideas
: "Defense by accumulation"
1 post
Popular Topics in r/netsec
#1
Security
: "Prompt Injection finally broke my brain a little. My first article as a Security student."
148 posts
#2
Vulnerability
: "Kernel LPE Vulnerability Published Early Due To Third-Party Breaking Embargo"
47 posts
#3
Ai
: "How credential brokering prevents Ai agents from compromising credentials via prompt injection"
25 posts
#4
Cve
: "Cve-2026-34621: Adobe Acrobat Reader zero-day was on VirusTotal for 136 days before Adobe named it a Cve"
17 posts
#5
Vulnerabilities
: "We audited 12K n8n templates: most have critical Vulnerabilities"
16 posts
#6
Exploit
: "Copy Fail Exploit lets 732 bytes hijack Linux systems and quietly grab root"
16 posts
#7
Rce
: "Coinbase AgentKit Prompt Injection: Wallet Drain, Infinite Approvals, and Agent-Level Rce (validated by Coinbase, on-chain PoC)"
14 posts
#8
Hacking
: "Hacking your PC using your speaker without ever touching it"
12 posts
#9
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
#10
Attack
: "Encrypted DNS in 2026: DoH, DoT, DoQ and DoH3 protocol comparison — including DNS hijacking Attack vectors and what each protocol actually prevents"
9 posts
Flair Used in r/netsec
#1
Rejected (Low Quality)
: "BrowserGate: LinkedIn/Microsoft allegedly scans 6,000+ browser extensions & links them to real identities, all without user consent"
7 posts
#2
Pending Moderation
: "Popular DAEMON Tools software infected – supply chain attack ongoing since April 8, 2026"
4 posts
#3
Contains AI
: "Interesting- What LLM vuln research looks like"
2 posts
#4
Pending moderation (Tool post)
: "Building a LLM honeypot that monitors all 65535 ports"
1 post
#5
Rejected (Spam)
: "We found a path traversal in an MCP server with 7,700 stars that lets AI agents read your SSH keys. Fix merged."
1 post
Member Growth in r/netsec
Yearly
+35k members(6.7%)
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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 5, 2026