Yell HNThe best Hacker News stories, retold for the curious.https://hn.hoangyell.com/en-usOpen CTFs Are Now Pay-to-Win, and Frontier AI Did Ithttps://hn.hoangyell.com/ai-made-ctf-pay-to-win/https://hn.hoangyell.com/ai-made-ctf-pay-to-win/A top-10 CTF competitor argues that Claude Opus 4.5 and GPT-5.5 have automated enough of the scoreboard that open CTFs no longer measure human security skill.Sat, 16 May 2026 00:00:00 GMTctfsecurityaicompetitive-hackingllmhello@hoangyell.com (Hoang Yell)Five Days vs. Five Years: Apple's New Kernel Defense, Crackedhttps://hn.hoangyell.com/five-days-five-years-apple-m5-kernel-exploit/https://hn.hoangyell.com/five-days-five-years-apple-m5-kernel-exploit/Apple spent five years building MIE on M5 to stop kernel exploits. Calif cracked it in five days with AI, then drove to Apple Park to deliver the report.Sat, 16 May 2026 00:00:00 GMTsecurityapplemacoskernelexploitaihello@hoangyell.com (Hoang Yell)Project Gutenberg is somehow still the best part of the internethttps://hn.hoangyell.com/project-gutenberg-keeps-getting-better/https://hn.hoangyell.com/project-gutenberg-keeps-getting-better/A 1971 hobby project is still the most quietly impressive thing on the web - and HN noticed it again, with 900+ upvotes.Sat, 16 May 2026 00:00:00 GMTpublic-domainopen-accessliteratureinternet-historyvolunteer-projectshello@hoangyell.com (Hoang Yell)