Uber president Jill Hazelbaker joins OpenAI as communications chief

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• CrowdStrike launches an AI kill switch in Falcon Guardian to stop rogue internal agents, and announces a Falcon Guardian integration with Claude Cowork (Samantha Subin/CNBC)

  Enterprise security operations are gaining direct oversight over autonomous systems to counter potential insider threats and unintended behavior. The rollout introduces defensive mechanisms specifically engineered to halt unauthorized internal automated actions before they escalate. Integrating these capabilities across productivity ecosystems ensures centralized administrative control over emerging automated workflows.

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• Apple starts giving Siri AI access to third-party apps

  Announced as part of the iOS 27.3 update rolling out on Tuesday, developers can now integrate the assistant's new capabilities into all apps. Under the update, the voice assistant will be able to process natural language prompts and reference a user's personal context.

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• Apple opens Siri AI to all developers with iOS 27.3 and other 27.3 OS betas, letting any app bring its content and actions into Siri AI by using App Intents (Apple Developer)

  Third-party software can now deeply integrate with the company's voice assistant following the rollout of the latest operating system test versions. By implementing the dedicated framework, creators are able to surface their in-app content and automate tasks directly through voice commands. This expansion broadens the ecosystem of supported services, significantly enhancing the assistant's overall utility.

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