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CISO Brief.

What AI agents are actually doing on the device, and what a security team can do about it before Monday. Written by the two of us, sent when there is something worth sending.

Issue 01September 9, 2026
In 5 days, 1 billion iPhones get a new AI agent by default.
iOS 27 goes GA on September 14, 2026 with a rebuilt Siri that acts across apps, reads the screen and hands requests to outside agents. MDM has no policy for it, EDR has nothing to flag, and DLP has nothing to inspect. A few things worth deciding before Monday.
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CISO Brief.

In 5 days, 1 billion iPhones get a new AI agent by default.