ChatGPT Mac app accesses iMessage history, sparking privacy backlash

Promptmethus · x · 2026-08-23

The new ChatGPT macOS update introduces an Apple Messages plugin to search chats and draft replies. A user has criticized this feature as a major privacy backdoor. It enables ChatGPT to fetch and process years of encrypted local iMessage caches, uploading them in plain text to OpenAI/Microsoft servers. This bypasses the protection of iMessage's end-to-end encryption, potentially exposing sensitive historical data to third parties without user consent.

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