r/blueteamsec is a subreddit with 72k members. The most common kinds of discussions are news and pain & anger, and the community frequently discusses looking for, looking for a, soc, reference guide, and cheat sheet.
We focus on technical intelligence, research and engineering to help operational [blue|purple] teams defend their estates and have awareness of the world.
Our primary home is on Lemmy after the great ban debacle of 2025.
Popular Themes in r/blueteamsec
#1
News
: "T-Mobile ‘chopped a cable’ to expel Chinese hackers from its network"
20 posts
#2
Pain & Anger
: "I accidentally logged hundreds of thousands of phone calls to military bases"
3 posts
#3
Solution Requests
: "Best ai agent security solutions for continuous attack validation, not just annual pentests?"
1 post
#4
Advice Requests
: "Best incident response tabletop format that actually feels like a real incident, not a compliance meeting?"
1 post
#5
Ideas
: "lldp: Mythic Peer to Peer (P2P) Communication Protocol via. LLDP"
1 post
#6
Money Talk
: "I spent $200 a month to SEO-poison Google search results · Higashi.blog"
1 post
Popular Topics in r/blueteamsec
#1
Looking For
5 posts
#2
Looking For A
5 posts
#3
Soc
3 posts
#4
Reference Guide
2 posts
#5
Cheat Sheet
2 posts
#6
Shellcode
1 post
#7
Cyber Resilience
1 post
Flair Used in r/blueteamsec
#1
intelligence (threat actor activity)
: "Threat Intelligence Report: University Leak Exposes Russia’s Military Cyber Training Pipeline"
40 posts
#2
highlevel summary|strategy (maybe technical)
: "Declaring a National Emergency to Secure the United States Bulk-Power System"
30 posts
#3
low level tools|techniques|knowledge (work aids)
: "fortitool: cracking FortiOS firmware end to end, and a key nobody had"
19 posts
#4
incident writeup (who and how)
: "How the Russians Got Inside My Phone"
18 posts
#5
research|capability (we need to defend against)
: "I'm in your logs now: deceiving analysts and blinding EDRs"
18 posts
#6
vulnerability (attack surface)
: "I accidentally logged hundreds of thousands of phone calls to military bases"
16 posts
#7
tradecraft (how we defend)
: "Bintracer - Purpose-built malware analysis for macOS"
16 posts
#8
exploitation (what's being exploited)
: "Post-DEF CON Phishing Uses Malicious Google Doc to Deliver Malware "
12 posts
#9
discovery (how we find bad stuff)
: "Auditing Microsoft Defender and Intune Configuration Changes"
11 posts
#10
malware analysis (like butterfly collections)
: "Breaking the Seal: Static Deobfuscation of JSCeal’s Compiled V8 Bytecode"
9 posts
Member Growth in r/blueteamsec
Yearly
+15k members(26.1%)
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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/blueteamsec, 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: September 5, 2026