Apple Fixes Bug That Let FBI Extract Deleted Signal Messages After 404 Media Coverage

Last week Apple fixed an issue that let the FBI forensically extract copies of incoming Signal messages from a defendant’s iPhone, even after the app had been deleted, because copies of those messages were stored in the iPhone’s notification database. The move comes directly in response to 404 Media’s coverage of a case in which the FBI was able to extract a suspect’s deleted Signal messages. Apple’s fix means iPhones should no longer save copies of deleted messages from Signal or other apps, and Apple said the patch also purges already saved and related notifications.

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