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Boing Boing

Apple patches bug that exposed deleted Signal messages

Ellsworth Toohey
Apr 28, 2026
∙ Paid

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 Si…

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