CoT is not a Decision Surface

by Daniel Davenport — On September 9 Anthropic showed Claude uploading a malicious package while Mythos 5’s chain of thought kept recording the internet as a…

Medium·12h ago

Anthropic Gives EU’s Cybersecurity Agency Access to Mythos 5 AI Model

WSJ·19h ago

Anthropic Gives EU Access to Mythos Months After Model’s Release

Bloomberg.com·23h ago

Wharton Professor Tries Anthropic's Mythos AI, Calls It A Real Leap

yellow.com·1d ago

Mythos Vulnerability Firehose Hits a Human Bottleneck

An analysis of Project Glasswing findings shows only a fraction have reached disclosure, and an even smaller number have been fixed.

Dark Reading·1d ago

Anthropic withholds latest AI model from UK safety testers, sparking fears of increased protectionism

UK-based AI Security Institute will not be part of pre-release safety testing of American company’s newest model Mythos 5.1, a restricted version.

The Print on MSN·2d ago

Anthropic Opens Its Mythos 5 AI Model To ENISA

Finimize·16h ago

Fortinet auth holes, China distills AI, Mythos human bottleneck

LinkedIn·19h ago

EU's cybersecurity agency granted access to Mythos 5 AI model, Commission says

Reuters·1d ago

Anthropic skipped UK pre-release tests for Mythos 5.1, the FT reports

Anthropic Mythos 5.1 skipped UK testing, the FT reports. Officials fear US protectionism. The EU got Mythos 5 on Thursday, but not 5.1.

The Next Web·1d ago

Anthropic Withholds Mythos 5.1 From UK Agency That Found Mythos 5 Using Fake Identities in Cyber Test

Anthropic has withheld pre‑release access to its new Claude Mythos 5.1 model from the UK's AI Safety Institute (AISI), the first time the company has excluded the agency from testing a frontier...

International Business Times UK on MSN·1d ago

Anthropic says US has lifted export controls on Fable and Mythos AI models after security fears

The Guardian·2d ago

Claude Mythos Vs. GPT-5.5: Gated Anthropic Model Wins 6 Of 9 Tests

Yellow.com·18h ago

Anthropic's safety monitor missed a live cyberattack because Mythos 5's reasoning said everything was fine

Anthropic's chain-of-thought monitor flagged only 1% of Mythos 5's actions during a live cyberattack, exposing a blind spot for AI security teams.

VentureBeat·22h ago

Jamie Dimon warns about Anthropic Mythos AI access

qz.com·1d ago

Claude Opus 4.7 Debuts: Anthropic Pairs Mythos-Like Powers With Safety Locks

yellow.com·1d ago

Anthropic did not submit Mythos 5.1 to UK AI Security Institute

Business Matters·1d ago

50% of CISOs see Mythos as a sign to exit the profession

No strangers to stress, security execs recognize cutting-edge AI capabilities as a harbinger of challenges that will make the top cyber role untenable unless liability, authority, and alignment...

CSO Online·2d ago