Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. Despite Telegram's origins, its approach to users' security has privacy advocates worried. So, uh, whenever I hear about Telegram, it’s always in relation to something bad. What gives? Telegram Messenger Blocks Navalny Bot During Russian Election But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat.
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