John Gruber • 3/16/2026

★ Apple Exclaves and the Secure Design of the MacBook Neo’s On-Screen Camera Indicator

This article analyzes the security of the MacBook Neo's on-screen camera indicator. It argues that, contrary to intuition, this software-based indicator is nearly as secure as a dedicated hardware light because it runs in the chip's secure enclave, isolating it from the main OS and preventing even kernel-level exploits from disabling it.

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#hardware security #Maco #Apple Silicon