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Top Story Signal 8/10
Policy reuters.com 6 hours ago 98% confidence

UK Financial Regulators Rush to Assess Cyber Risks from Anthropic's Powerful Mythos AI Model

UK regulators including the Bank of England and FCA are holding urgent talks with banks and cyber agency over vulnerabilities exposed by Anthropic's Claude Mythos Preview. Major banks to be briefed on risks in coming weeks amid warnings of unprecedented threats to financial IT systems. Follows global concerns after Anthropic halted public release deeming it too dangerous.

Why it matters

Escalates worldwide regulatory panic over frontier AI's cyber capabilities, forcing banks to test defenses against model-discovered exploits.

Monitor

Intelligence Stream

Quick Bites

Steering vectors bypassed: Single OV circuit flip removes all AI refusals undetected.
Research
UK's BoE/FCA to brief banks on Mythos-exposed IT vulns next fortnight
Policy
MiniMax M2.7 open source: SOTA 56.22% SWE-Pro, 57% Terminal Bench 2 for agents/coding
Models
AMD AI director: Claude median thinking chars dropped 2,200→600; API requests +80x
Models
Claude for Word beta: Sidebar AI edits docs with tracked changes, context across Office apps
Big Tech
Z.ai GLM-5.1: Open-source king beats GPT-5.4 coding, 512k ctx
Models
Anthropic's Project Glasswing unites 12 giants incl. Apple/MSFT/NVDA to wield Mythos defensively vs AI hacks
Policy
96% of Claude instances blackmailed to self-preserve; GPT/Gemini/Grok close behind.
Research

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