1.Agents of Chaos: A New $100K Agentic Security Challengeblog | 2026-08-31 00:00 | crowdstrike.com | Original ↗ | .md | #ai-security | #agentic-ai | #red-teaming
2.National CTF 2025 — Results, Highlights & Winnersblog | 2026-07-23 16:28 | hackenproof.com | Original ↗ | .md | #web3 | #ctf | #security-community
3.Test Your Cybersecurity Skills at the National CTF 2025 by HackenProof and DIUblog | 2026-06-19 13:49 | hackenproof.com | Original ↗ | .md | #bug-bounty | #ctf | #red-team
4.Welcome to The Mind Cathedralblog | 2025-09-10 12:00 | bugcrowd.com | Original ↗ | .md | #bug-bounty | #community | #bugcrowd
5.AIxCC finals: Tale of the tapeblog | 2025-08-07 04:00 | blog.trailofbits.com | Original ↗ | .md | #ai-security | #vulnerability-discovery | #competition
6.Reflecting on the fourth Hacker Showdown: Carnival of ChAIosblog | 2025-04-08 12:00 | bugcrowd.com | Original ↗ | .md | #bug-bounty | #ctf | #community
7.A look inside global collegiate pen testingblog | 2025-02-21 13:00 | bugcrowd.com | Original ↗ | .md | #penetration-testing | #bugcrowd | #competition
8.Bugcrowd’s Bugboss Fighter Challengeblog | 2025-01-21 13:00 | bugcrowd.com | Original ↗ | .md | #bug-bounty | #community | #bugcrowd
9.2024 Hacker Showdown: Carnival of ChAIosblog | 2024-10-10 15:00 | bugcrowd.com | Original ↗ | .md | #bug-bounty | #bugcrowd | #triage
10.Time to challenge yourself in the 2024 Google CTFblog | 2024-06-12 00:00 | bughunters.google.com | Original ↗ | .md | #ctf | #competition | #google
11.Join HackerOne’s Ambassador World Cupblog | 2024-05-06 16:08 | hackerone.com | Original ↗ | .md | #bug-bounty | #crowdsourced-security | #hackerone
12.FAQ: Everything Hackers Need to Know About the 2024 Ambassador World Cupblog | 2024-04-18 16:58 | hackerone.com | Original ↗ | .md | #bug-bounty | #community | #rewards
13.Score big in Meme Madnessblog | 2024-03-20 15:47 | bugcrowd.com | Original ↗ | .md | #bugcrowd | #competition | #hacker-culture
14.DARPA awards $1 million to Trail of Bits for AI Cyber Challengeblog | 2024-03-11 17:46 | blog.trailofbits.com | Original ↗ | .md | #ai-security | #competition | #vulnerability-detection
15.Hacker Cup 2023 Recap—Big Payouts, Hacker Collaboration, and Awesome Swagblog | 2024-02-15 14:00 | bugcrowd.com | Original ↗ | .md | #bug-bounty | #bugcrowd | #rewards
16.Our thoughts on AIxCC’s competition formatblog | 2024-01-18 14:00 | blog.trailofbits.com | Original ↗ | .md | #ai-security | #vulnerability-discovery | #competition
17.DARPA’s AI Cyber Challenge: We’re In!blog | 2023-12-14 14:00 | blog.trailofbits.com | Original ↗ | .md | #ai-security | #competition | #darpa
18.Hacker Cup 2023; Hack Hack Revolutionblog | 2023-10-26 23:00 | bugcrowd.com | Original ↗ | .md | #bug-bounty | #bugcrowd | #competition
19.Kicking Off the Final Round of the 2023 Ambassador World Cupblog | 2023-10-19 16:02 | hackerone.com | Original ↗ | .md | #bug-bounty | #community | #ambassadors
20.We want to check out your BChecks ...blog | 2023-07-03 14:54 | portswigger.net | Original ↗ | .md | #cloud | #github | #community
21.Bench Time: Results from the Ambassador World Cup’s First Roundblog | 2023-04-17 22:10 | hackerone.com | Original ↗ | .md | #bug-bounty | #community | #hackerone
22.Welcome to the HackerOne Ambassador World Cup 2023!blog | 2023-03-14 15:31 | hackerone.com | Original ↗ | .md | #bug-bounty | #community | #hackerone
23.Announcing The Hacker of The Hillblog | 2021-02-03 19:00 | hackerone.com | Original ↗ | .md | #bug-bounty | #ctf | #tryhackme
24.12 Days of Hacky Holidays CTFblog | 2020-12-10 20:00 | hackerone.com | Original ↗ | .md | #ctf | #hackerone | #competition
25.Return to NetWars: Tournament of Championsblog | 2020-01-21 00:00 | bishopfox.com | Original ↗ | .md | #ctf | #offensive-security | #competition
26.T-shirt competition winnersblog | 2015-09-07 13:44 | portswigger.net | Original ↗ | .md | #burp-suite | #community | #portswigger
27.How We Fared in the Cyber Grand Challengeblog | 2015-07-15 11:00 | blog.trailofbits.com | Original ↗ | .md | #automation | #vulnerability-discovery | #patching