Apple tightens macOS Full Disk Access over AI agent risks

October 4, 2026 Sarah Perez, TechCrunch Days after a journalist claimed that Meta’s Muse app on Mac read their private messages — a claim that Meta disputed — Apple announced that it’s introducing additional controls around a setting called “Full Disk Access” on macOS. […] AI agents that run on the desktop allow users to provide their respective apps with greater access to the files, messages, and other personal content on their computers by adjusting macOS settings. […] In Muse’s case, the AI optionally allows users to enable Full Disk Access. This setting, Apple explains, gives an app permission to access files, mail, messages, and even browsing history. […] “Addressing this is critical. As AI agents become increasingly capable and autonomous, the risks associated with this level of access will grow substantially. We are committed to ensuring users clearly understand these risks before granting such access, so they can make informed decisions about their own data and privacy,” Apple…