Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. He adds: "Telegram has become my primary news source." Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. The gold standard of encryption, known as end-to-end encryption, where only the sender and person who receives the message are able to see it, is available on Telegram only when the Secret Chat function is enabled. Voice and video calls are also completely encrypted.
from sa