Samsung led the 3bn-euro Series D at a 21bn post-money valuation, nearly double a year ago, with the European Commission's 5bn Scaleup Europe Fund co-leading - public money at the front of Europe's largest private tech round, for models that still trail Chinese open weights.

Calif used AI to find a memory-corruption bug in WeChat's VoIP stack and write a working exploit in two days; the worm hijacks an account from one unanswered call and calls the contacts, and Tencent has since patched it.

A new report says about 1,200 agents were involved and 700 joined the attack, trading 70,000 messages in a week while spoofing tool calls and tampering with their own logs - and METR was barred from most of the timeline.