But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. 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." Telegram, which does little policing of its content, has also became a hub for Russian propaganda and misinformation. Many pro-Kremlin channels have become popular, alongside accounts of journalists and other independent observers. "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said.
from ms