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. The fake Zelenskiy account reached 20,000 followers on Telegram before it was shut down, a remedial action that experts say is all too rare. "Your messages about the movement of the enemy through the official chatbot … bring new trophies every day," the government agency tweeted. Some privacy experts say Telegram is not secure enough In 2018, Russia banned Telegram although it reversed the prohibition two years later.
from sg