From: Firefox team fixes 423 vulnerabilities using Anthropic's Claude Mythos Preview
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Marius Hobbhahn@MariusHobbhahn·Quote tweet

Now imagine they had used this knowledge for nefarious purposes. Kudos to Anthropic, but I really think these high-stakes situations should not rely on "company defies their incentives to do the right thing"

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Helen Toner@hlntnr·View on

One of the things that made the Mythos release hard to interpret is that Anthropic held back details on most vulns they found, to give defenders time to patch. 1 month later, info from orgs with access to Mythos is starting to trickle out, e.g. this post from Mozilla today: