Pavel Durov, co-founder of the Telegram messaging application, said that push notifications may create a persistent, critical vulnerability to user privacy, allowing data retrieval even after messages ...

Apple fixed a security bug that made it possible for cops to access content from deleted Signal messages. Vulnerable users hoping to evade law enforcement surveillance often use encrypted apps like ...

Update, April 22: Apple has released iOS 26.4.2 with a bug fix that addresses an issue where “notifications marked for deletion could be unexpectedly retained on the device.” Apple did not directly ...

The comments followed recent reports that law enforcement officials retrieved deleted Signal messages through device push notification logs. Pavel Durov, co-founder of the Telegram messaging ...