Last Week in Tech – OpenAI Buys an AI-Security Startup, Anthropic Sues the Pentagon, and a Wiper Hits Stryker

Your Monday catch-up, with a security lens. This week: OpenAI moves to acquire AI red-teaming startup Promptfoo, and Anthropic sues the US Defense Department over its "supply-chain risk" label. On the breach desk: medtech giant Stryker is knocked offline by an Iran-linked wiper, outsourcer Telus is hit by ShinyHunters, and Michelin and Ericsson both disclose breaches.

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Sources: OpenAI; TechCrunch; CNBC; SecurityWeek; BleepingComputer.