r/netsec is a subreddit with 569k members. The most common kinds of discussions are news and ideas, and the community frequently discusses security, vulnerability, looking for, vulnerabilities, and ai.
/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
: "How We Hacked Thousands of Data Centers in Minutes Using a 20-Year-Old Vulnerability"
10 posts
#2
Ideas
: "Jackpot: a browser lab of 10 deliberately vulnerable LLM apps, one per OWASP LLM Top 10 category"
8 posts
#3
Solution Requests
: "r/netsec monthly discussion & tool thread"
3 posts
#4
Advice Requests
: "The state of vibe-coded app security: my analysis of 549 self-described AI-generated repos (study + raw data)"
1 post
#5
Money Talk
: "Hush Security raises $30 million to govern enterprise AI agents"
1 post
Popular Topics in r/netsec
#1
Security
: "AgentHound: Offensive Security framework for AI agent infrastructure - recon, credential looting, model exfiltration, poisoning, and attack-path analysis across MCP, A2A, gateways, and AI services. BloodHound for the agentic stack."
9 posts
#2
Vulnerability
: "How We Hacked Thousands of Data Centers in Minutes Using a 20-Year-Old Vulnerability"
8 posts
#3
Looking For
7 posts
#4
Vulnerabilities
5 posts
#5
Ai
: "AgentHound: Offensive security framework for Ai agent infrastructure - recon, credential looting, model exfiltration, poisoning, and attack-path analysis across MCP, A2A, gateways, and Ai services. BloodHound for the agentic stack."
4 posts
#6
Aws
3 posts
#7
Agent
: "Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident"
3 posts
#8
Annoying
2 posts
#9
Hate
2 posts
#10
Hacking
2 posts
Flair Used in r/netsec
#1
Pending Moderation
: "When AI Writes the World's Software, Who Verifies It?"
5 posts
#2
Contains AI
: "SQLite Critical CVEs or LLM Slop?"
4 posts
#3
Rejected (Bad Source)
: "Linux kernel team publishes 432 CVEs in two days"
2 posts
#4
Rejected (Tool Post)
: "Curated catalog of local AI agent abuse techniques and real-world cases"
2 posts
#5
Rejected (Not Technical Enough)
: "frontier class vulnerabilities: it gets worse before it (maybe) gets better"
1 post
Member Growth in r/netsec
Yearly
+37k members(6.9%)
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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: August 5, 2026