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. In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed. I want a secure messaging app, should I use Telegram? Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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