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 Security Service of Ukraine said in a tweet that it was able to effectively target Russian convoys near Kyiv because of messages sent to an official Telegram bot account called "STOP Russian War." "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." "This time we received the coordinates of enemy vehicles marked 'V' in Kyiv region," it added. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat.
from id