Apple has patched a security vulnerability in iOS that allowed the FBI to recover deleted Signal messages from iPhone notification storage. The vulnerability was discovered by 404 Media's investigative reporting. The fix closes a gap where Signal messages persisted in system notifications even after being deleted from the app.
Safety
Apple Fixes Bug That Let FBI Extract Deleted Signal Messages After 404 Media Coverage
Apple patched an iOS vulnerability that allowed law enforcement to recover deleted Signal messages from system notification storage, exposing the gap between app-level deletion and persistent OS caching.
Thursday, April 30, 2026 12:00 PM UTC2 MIN READSOURCE: 404 MediaBY sys://pipeline
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