r/SecurityBlueTeam is a subreddit with 21k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses btl1, cybersecurity, ai, exam, and btl2.
A subreddit dedicated the security training company Security Blue Team.
Popular Themes in r/SecurityBlueTeam
#1
Advice Requests
: "Any tips for the BTL1 exam?"
16 posts
#2
Solution Requests
: "Started blue teams level 1 exam but RDP stopped working HELP"
12 posts
#3
Self-Promotion
: "VulnScan — a locally run vulnerability scanner I built with Python, CVE lookup, VirusTotal integration, and PDF reporting"
4 posts
#4
Ideas
: "I couldn't figure out which blocklists to use, so I built an aggregator."
2 posts
#5
Pain & Anger
: "Failed my First Attempt today :("
1 post
#6
Money Talk
: "Looking for promos/discounts on the BTL1"
1 post
Popular Topics in r/SecurityBlueTeam
#1
Btl1
: "Just passed Btl1 exam! Have a small doubt about the reward."
9 posts
#2
Cybersecurity
: "Cybersecurity courses provided by Google for free"
7 posts
#3
Ai
: "built a PCAP triage tool that gives you an Ai incident report in ~30 seconds"
5 posts
#4
Exam
: "take the Exam today, scored 65%"
4 posts
#5
Btl2
: "How does Btl2 compare to CDSA?"
4 posts
#6
Certification
: "Just passed BTL1 exam! Have a small doubt about the reward."
4 posts
#7
Blue Team Labs
: "Just passed BTL1 exam! Have a small doubt about the reward."
4 posts
#8
Blue Team
: "Blue Team roadmap"
3 posts
#9
Soc
: "Built a Soc from scratch with no prior Soc experience"
3 posts
#10
Security
: "looking for blue team Security to join a discord"
3 posts
Flair Used in r/SecurityBlueTeam
#1
Question
: "Just passed BTL1 exam! Have a small doubt about the reward."
19 posts
#2
Discussion
: "Failed my First Attempt today :("
17 posts
#3
Education/Training
: "How does BTL2 compare to CDSA?"
15 posts
#4
Threat Intelligence
: "Dissecting LockBit 5.0 Linux: A Deep Dive into Offline-Capable Ransomware | Netacoding"
12 posts
#5
Endpoint Security
: "SentinelOne. Backup delete attempt at 06:28, Kill process mitigation action at 06:31. Was the deletion blocked or not?"
7 posts
#6
Other
: "I passed BTL2, what will happen if I chose to retake it?"
6 posts
#7
Security Engineering
: "HallWatch: Usermode indirect syscall detection"
6 posts
#8
Vulnerability
: "We’ve hardened an execution governor for agentic systems — moving into real-world testing"
5 posts
#9
News
: "Passed BTL1 with 90%"
3 posts
#10
Security Management
: "where do I even start with mapping MITRE ATT&CK TTPs to SOC alerts?"
3 posts
Member Growth in r/SecurityBlueTeam
Yearly
+3k members(16.8%)
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Last updated: July 2, 2026