Apple patches bug that exposed deleted Signal messages
iOS cached Signal notification text for up to a month after deletion. FBI used forensic tools to pull the stored messages. Apple patched it.
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Apple patches bug that exposed deleted Signal messages Ellsworth Toohey 10:52 am Tue Apr 28, 2026 BigTunaOnline / Shutterstock.com Signal's disappearing messages weren't fully disappearing. When a message arrived on your iPhone, iOS stored the notification content in an internal database — and that database held onto the text for up to a month after you deleted the message inside Signal. The FBI ran forensic tools on someone's iPhone and extracted Signal message content that the app's auto-delete timer had supposedly erased. Apple has now patched the bug, according to TechCrunch.
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