Despite Telegram's origins, its approach to users' security has privacy advocates worried. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress. He adds: "Telegram has become my primary news source."
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