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Apple announced it will impose new restrictions on macOS's "Full Disk Access" permission, citing growing risks posed by increasingly capable AI agents that could exploit broad access to users' files, messages, and browsing history. The change requires more explicit user action before granting apps this level of access. The update follows reports that Meta's Muse AI assistant appeared to know the contents of a user's private messages despite not having explicit permission, intensifying scrutiny of how AI agents handle sensitive data across operating systems.