How frontier AI has undermined the competitive CTF cybersecurity scene
By
frays
A second-rack bagel that's nearly first-rack. Tasty stuff.
Summary
The author argues that the Capture The Flag (CTF) cybersecurity competition scene is effectively "dead" due to the rise of frontier AI models. Drawing from personal experience as a top-tier CTF competitor (winning HCKSYD in 2 hours, multiple DownUnderCTF wins with Blitzkrieg, and competing with TheHackersCrew), the article contends that AI has broken the open CTF format, hollowed out the scoreboard rankings, and diminished CTF performance as a meaningful signal of cybersecurity skill. The piece explores how AI-assisted solving has made traditional competitive CTF metrics unreliable.
Key quotes
· 3 pulledI full solved it and won in 2 hours. I was completely hooked.
Why frontier AI has broken the open CTF format, hollowed out the scoreboard, and made competitive CTF performance a weaker signal than it used to be.
Blitzkrieg was one of Australia's strongest teams at the time.
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