Apple has published a security research post describing “Secure Exclaves,” an architecture intended to protect sensitive camera and microphone data during background or always-on processing. Apple frames Secure Exclaves as compartmentalized runtimes that can handle ambient sensing tasks while keeping processed data out of reach from the main operating system, apps, and even Apple itself.

Across the outlets, the emphasis is on use cases where devices handle audio or video indicators and recognition features without exposing raw media. Apple cites Secure Exclaves for HomeView person recognition, including facial and voice matching, and for Siri Recap and Live Rewind, which use ambient sound for conversation recaps and captions of recent speech. Additional examples include protection of on-screen camera and microphone indicators on iPhone 18 Pro/iPhone Duo and camera indicator protection on MacBook Neo.

One outlet notes that Secure Exclaves are tied to Apple’s “ambient sensing” concept, describing how newer device features may require more surrounding-data processing, and how Apple changes where that processing occurs.