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

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Why it matters: Encrypted chat services such as Signal, Telegram, and WhatsApp advertise themselves as the most secure, private digital communication methods. However, no matter how strong an app's ...

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 ...