A recent FBI investigation has revealed that deleted messages from Signal can still be recovered from an iPhone—not a weakness in the app itself, but due to how Apple handles notification data internally. During a federal trial tied to an incident at the Prairieland ICE Detention Facility in Texas, investigators were able to extract fragments of incoming Signal messages from a suspect’s iPhone. Notably, this data remained accessible even after the app had been removed from the device. Notification Storage, Not Encryption was the Issue The key detail is that these messages were not retrieved from Signal’s encrypted database. Instead, they were recovered from the iPhone’s internal notification...