But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Despite Telegram's origins, its approach to users' security has privacy advocates worried. 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. On Feb. 27, however, he admitted from his Russian-language account that "Telegram channels are increasingly becoming a source of unverified information related to Ukrainian events." The Russian invasion of Ukraine has been a driving force in markets for the past few weeks.
from ua
