https://www.wired.com/story/the-kremlin-has-entered-the-chat/
Russian antiwar activists placed their faith in Telegram, a supposedly secure messaging app. How does Putin’s regime seem to know their every move?
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She says the officer told her that investigators had been following along with her private Telegram chats as she wrote them.
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In many cases, it’s impossible to tell what’s really happening to people’s accounts—whether spyware or Kremlin informants have been used to break in, through no particular fault of the company; whether Telegram really is cooperating with Moscow; or whether it’s such an inherently unsafe platform that the latter is merely what appears to be going on.