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r/blueteamsec is a subreddit with 53k members. Its distinguishing qualities are that the community is large in size, and has high activity.
We focus on technical intelligence, research and engineering to help operational [blue|purple] teams defend their estates and have awareness of the world.
Popular Themes in r/blueteamsec
#1
News
: "cradle: CRADLE is a collaborative platform for Cyber Threat Intelligence analysts. It streamlines threat investigations with integrated note-taking, automated data linking, interactive visualizations, and robust access control."
40 posts
#2
Solution Requests
: "Free SOC maturity assessment tool — lightweight self-check across detection, IR, and automation"
3 posts
#3
Pain & Anger
: "Hacking My Car, and probably yours— Security Flaws in Volkswagen’s App - asked for an NDA to be signed to understand remediation plans"
2 posts
#4
Ideas
: "Practical Blue Team Playbook: Azure Managed Identities Abuse & Detection"
1 post
Popular Topics in r/blueteamsec
#1
Malware
: "Malware Source Code Released (Sryxen Paid)"
33 posts
#2
Security
: "HSM Security - Exploitation of USB over SPI bug - video in comments"
26 posts
#3
Vulnerabilities
: "Multiple security Vulnerabilities have been identified in HPE NonStop SSH (T0801), NonStop SSL(T0910) and MR-Win6530(T0819) products. These Vulnerabilities could be exploited to allow remote code execution, local or remote denial of service, remote disclosure of information etc."
19 posts
#4
Cyber
: "Defending Against UNC3944: Cybercrime Hardening Guidance from the Frontlines"
15 posts
#5
Exploitation
: "ZDI-CAN-25373 Windows Shortcut Exploit Abused as Zero-Day in Widespread APT Campaigns"
12 posts
#6
Phishing
: "Behind the Schenes of a Chinese Phishing-As-A-Service: Lucid"
8 posts
#7
Attack
: "Google Spoofed Via DKIM Replay Attack: A Technical Breakdown"
7 posts
#8
Cve
: "Cve-2024-11477- 7-Zip ZSTD Buffer Overflow Vulnerability - Crowdfense"
6 posts
#9
Threat
: "Analysis of Threat Actor Activity - Fortigate exploit activity for SSL-VPN"
6 posts
#10
Ai
: "NimDump: Stealthy LSASS Dumping Using Only NTAPIs in Nim"
6 posts
Member Growth in r/blueteamsec
Yearly
+9k members(20.1%)
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