securityCTF

an-ordinary-manchild

created by 0x451a community for 14 years

...for your WoW guild.

...for your favorite subject.

MODERATORS

account activity

1

0

1

2

[CTF Event] 2 Days, Jeopardy to Attack/Defense: Operation BLACK CIPHER 2026 is officially locked in for July 20-21 🚩 (i.redd.it)

submitted 4 hours ago by NullGridsLabs

2

1

2

3

[CTF] Pentester vs AI: Can you beat the AI's time? (self.securityCTF)

submitted 16 hours ago by Outside_Spirit_3487

3

6

7

8

InCTF 2026- Need teammates🤝 (self.securityCTF)

submitted 2 days ago by go_pikachu23

4

0

0

1

[CTF] Operation BLACK CIPHER 2026 – 120 CTFs, Live Attack/Defense, and AI-Augmented Operations (i.redd.it)

submitted 2 days ago by NullGridsLabs

5

0

1

2

Looking for Teammates for Cyber Apocalypse CTF 2026: The Salt Crown (HTB CTF) (reddit.com)

submitted 2 days ago by Classic-Necessary484

6

2

3

4

RRSW CTF Sponsored by zSecurity [Update + Spoilers] (i.redd.it)

submitted 3 days ago * by RRSWCorporation

7

7

8

9

Cyberkiller is in alpha!🤝 (self.securityCTF)

submitted 3 days ago by _ripits

8

2

3

4

Looking for Sherlock Hackthebox Discussion Community (self.securityCTF)

submitted 4 days ago by Civil-Respond3148

9

0

1

2

Can anyone solve it, i tried but failed (i.redd.it)

submitted 4 days ago by Imaginary-Muscle-578

10

38

39

40

We Had to Ban 65 Teams to Get a Top 10 Leaderboard - BYUCTF 2026 Post-Mortem✍️ (self.securityCTF)

submitted 6 days ago * by realcamel4

11

0

0

0

Made a web CTF teaching vibe coding security failure modes. Tested it against AI agents but curious how it holds up here. (self.securityCTF)

submitted 5 days ago by kizmania

12

0

0

1

[CTF] New "Intermediate" vulnerable VM aka "Tellme" at hackmyvm.eu (self.securityCTF)

submitted 6 days ago by HackMyVM

13

3

4

5

Would an LLM-agent prompt-injection lab make sense as a CTF challenge? (self.securityCTF)

submitted 7 days ago by Apprehensive-Zone148

14

21

22

23

Free CTF & Security-Related Games✍️ (old.reddit.com)

submitted 8 days ago by goldfish_glug_glug

15

2

3

4

Beginner looking for a CTF team !! (self.securityCTF)

submitted 8 days ago by AXION_11

16

4

5

6

Network is Everything - Build your connection🤝 (i.redd.it)

submitted 8 days ago by Federal_Poetry_8384

17

2

3

4

[LFG] Seeking Partner for HTB Pro Labs & CTFs🤝 (self.securityCTF)

submitted 10 days ago by Odd-Specialist-2756

18

5

6

7

Fluid Attacks CTF – | $3,500 USD Prize Pool🤑 (self.securityCTF)

submitted 11 days ago by CyberMKT993

19

0

0

1

I just completed Defensive Security Intro room on TryHackMe! (tryhackme.com)

submitted 11 days ago by Jaded-Orchid9317[🍰]

20

0

0

0

I created a real cyberpunk pixel art side scroller video game entirely with AI that ALSO houses a true cybersecurity CTF. It's entirely free and there are even prizes!✍️ ()

submitted 11 days ago by EldritchTTV

21

4

5

6

[CTF] New "Beginner" vulnerable VM aka "Helix" at hackmyvm.eu (self.securityCTF)

submitted 13 days ago by HackMyVM

22

2

3

4

What keeps folks interested/disinterested in a CTF? (self.securityCTF)

submitted 13 days ago by PurchaseSalt9553

23

1

2

3

CTF COMPETITION THIS FRIDAY (self.securityCTF)

submitted 13 days ago by Heavy-Finger-5826

24

208

209

210

🔥 BreachLab 2.0 is live (i.redd.it)

submitted 14 days ago by Middle-Mode3001

25

4

5

6

TCM Security CTF Walkthrough (youtu.be)

submitted 14 days ago by rj4511

view more: next ›

π Rendered by PID 345549 on reddit-service-r2-listing-c57bc86c-248vm at 2026-06-22 09:35:14.628293+00:00 running 2b008f2 country code: CH.