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Post by Kevin Roose on X

Kevin Roose@kevinroose

I spoke to Anthropic execs about the new model, which they called a "reckoning" for cybersecurity. They claim it has already found vulnerabilities in every major operating system and web browser, including some that "literally decades of security researchers" didn't find.

706 likes15 repliesPosted Apr 7, 2026

View the original on X Written by Kevin Roose. Captured Sep 4, 2026.

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Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Written from experience rather than as advice, which is harder to argue with.
Short enough to read in full without expanding, which removes a step before the point lands.
Quotes someone directly, which makes the moment concrete rather than summarised.

The mechanics

Hook: Plain observation
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: personal
Written for: People building with AI

Analysis by ViralLoop — not written by the original author.

Topics

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More from Kevin Roose

New column: I went to visit @METR_Evals, the 30-person AI nonprofit that makes the Most Important Chart in the World. I learned a lot, but the most striking thing was how soon some of them think AI R&D could be fully automated. (This year!) t.co

As always, the best stuff is in the system card. During testing, Claude Mythos Preview broke out of a sandbox environment, built "a moderately sophisticated multi-step exploit" to gain internet access, and emailed a researcher while they were eating a sandwich in the park.

NEWS: Anthropic's new model, Claude Mythos, is so powerful that it is not releasing it to the public. Instead, it is starting a 40-company coalition, Project Glasswing, to allow cybersecurity defenders a head start in locking down critical software. t.co

The DOW got so mad at Anthropic for insisting on carve-outs for mass domestic surveillance and autonomous weapons that they declared it a supply chain risk and struck a deal with OpenAI that includes...the exact same carve-outs.

ok i'll leak one detail from my book. when the anthropic co-founders were naming the company one of the names they considered was "sloth." it is amusing to think of "sloth" being declared a supply chain risk to the US government.

This week's Hard Fork might be the craziest interview we've ever done. We asked the CEO of Roblox about the child safety issues that have been plaguing the platform. His response was...well, just listen. t.co

Kevin Roose on AI · ViralLoop