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. In 2018, Russia banned Telegram although it reversed the prohibition two years later. "This time we received the coordinates of enemy vehicles marked 'V' in Kyiv region," it added. 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.
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