The gold standard of encryption, known as end-to-end encryption, where only the sender and person who receives the message are able to see it, is available on Telegram only when the Secret Chat function is enabled. Voice and video calls are also completely encrypted. 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. Telegram Messenger Blocks Navalny Bot During Russian Election Some privacy experts say Telegram is not secure enough False news often spreads via public groups, or chats, with potentially fatal effects.
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