Claude Cowork Merges Into Chat: What 'One Claude' Means for Security
Anthropic has folded Claude Cowork into its main chat app, creating a single assistant that keeps working after you close your laptop — a shift that matters more for security teams than the UI change suggests.
Claude Fable 5 One-Shot a Game — What It Shows About Agentic Coding Risk
Simon Willison let Claude Fable 5 build a full 3D game unsupervised, from prompt to deployed GitHub Pages site. The demo is a clean case study in what autonomous coding agents can — and shouldn't — be trusted with.
Claude's Web-Fetch Guardrail Had a Gap: The Memory Heist Explained
A researcher chained Claude's own link-following behaviour with a letter-by-letter exfiltration site to pull a user's name, employer, and hometown out of chat memory — despite Anthropic's URL-allowlist defence.
6,000 Prompt Injection Attempts, Zero Leaks: What the HackMyClaw Challenge Actually Proves
Fernando Irarrázaval opened his OpenClaw AI email agent to 2,000 attackers and 6,000 attempts. Nobody extracted the secret — but the architecture of the challenge explains the result as much as the model does.