— For a hardened target, just one such bug would have been red-alert in 2025, and so many at once makes you stop to wonder whether it’s even possible to keep up, Mozilla writes in their blog.
The upshot is that the 271 bugs mean that the company can approach security «much better than just keeping up», and that «defenders finally have a chance to win, decisively.»
— We have many years of experience picking apart the work of the world’s best security researchers, and Mythos Preview is every bit as capable, Mozilla continues.
They used Claude Opus 4.6 to find 22 bugs back in March, but this Mythos-powered bug hunt was so large it left them with a feeling akin to vertigo, they say.
Read more: Mozilla’s blog, interview on Wired, writeups on Ars Technica and Engadget.