AppleStorm - Unmasking the Privacy Risks of Apple Intelligence

Yoav Magid

DEF CON 33 · Day 1 · Main Stage

AppleStorm is a research project by Yoav Magid that investigates the privacy implications of Apple Intelligence—Apple's on-device and cloud AI platform launched in late 2024. The research was sparked

AI review

Yoav Magid instrumented Apple Intelligence using Frida and mitmproxy to show that PCC transmission happens more broadly than Apple's privacy marketing implies — covering third-party App Intents data, Writing Tools document content, and email context in Siri requests.

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