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r/securityCTF is a subreddit with 52k members. Its distinguishing qualities are that the community is large in size.
Popular Themes in r/securityCTF
#1
Advice Requests
: "Looking for CTF Team"
30 posts
#2
Solution Requests
: "How would you go about solving this challenge ?"
10 posts
#3
Ideas
: "I've come a long way in ctf challenge to get this video, but I don't understand what to do next. Any ideas?"
5 posts
#4
Opportunities
: "TEAM REQUIRED TO PLAY on CTF time"
3 posts
#5
News
: "Learn how an out-of-bounds write vulnerability in the Linux kernel can be exploited to achieve an LPE (CVE-2025-0927)"
2 posts
#6
Self-Promotion
: "Just Launched: GOAD v3 — Game of Active Directory on Parrot CTFs"
1 post
Popular Topics in r/securityCTF
#1
Ctf
: "Ctf site for beginner"
160 posts
#2
Team
: "Guide: How to Get Started in CTFs and Join a Team (From Personal Experience)"
36 posts
#3
Challenge
: "How would you go about solving this Challenge ?"
34 posts
#4
Help
: "Need Help about Crypthography CTF"
17 posts
#5
Security
: "Looking for people to learn cyber Security / ctfs"
11 posts
#6
Cybersecurity
: "Looking for CTF members and active Cybersecurity learners"
9 posts
#7
Vulnerable
: "[CTF] New Vulnerable VM at hackmyvm.eu"
7 posts
#8
Beginner
: "Looking to Get Started with CTF Challenges – Any Advice for a Beginner?"
7 posts
#9
Vulnerability
: "New Windows Privilege Escalation Vulnerability!"
7 posts
#10
Pwn
: "Web Rev Pwn"
7 posts
Member Growth in r/securityCTF
Yearly
+8k members(18.3%)
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