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Pavel Durov has renewed criticism of rival messaging platforms, arguing that their security models expose user data, following reports that U.S. authorities accessed message content from notifications ...

WhatsApp users have begun trickling to more privacy-centric messaging apps Signal and Telegram after becoming aware of data-sharing practices between WhatsApp and parent company Facebook last week.

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...