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r/securityCTF is a subreddit with 51k members. Its distinguishing qualities are that the community is large in size.
Popular Themes in r/securityCTF
#1
Advice Requests
: "Looking for CTF Team"
28 posts
#2
Solution Requests
: "How would you go about solving this challenge ?"
11 posts
#3
Ideas
: "Automation of reverse engineering "
1 post
#4
Opportunities
: "Joining my team on CTFTIME"
1 post
#5
Self-Promotion
: "I created a tool that gives interesting insights on CTFd competitions - CTFd Rewind"
1 post
#6
News
: "Learn how an out-of-bounds write vulnerability in the Linux kernel can be exploited to achieve an LPE (CVE-2025-0927)"
1 post
Popular Topics in r/securityCTF
#1
Ctf
: "Ctf site for beginner"
211 posts
#2
Challenge
: "How would you go about solving this Challenge ?"
84 posts
#3
Team
: "Guide: How to Get Started in CTFs and Join a Team (From Personal Experience)"
43 posts
#4
Security
: "Looking for people to learn cyber Security / ctfs"
41 posts
#5
Help
: "Need Help about Crypthography CTF"
37 posts
#6
Web
: "Help with CTF Web Exploitation"
22 posts
#7
Beginner
: "Looking to Get Started with CTF Challenges – Any Advice for a Beginner?"
21 posts
#8
Hack
: "We are looking for players to join our team"
20 posts
#9
Hacking
16 posts
#10
Learning
12 posts
Member Growth in r/securityCTF
Yearly
+8k members(17.6%)
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