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. "Like the bombing of the maternity ward in Mariupol," he said, "Even before it hits the news, you see the videos on the Telegram channels." False news often spreads via public groups, or chats, with potentially fatal effects. Some privacy experts say Telegram is not secure enough "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said.
from ru