Telegram boasts 500 million users, who share information individually and in groups in relative security. But Telegram's use as a one-way broadcast channel β which followers can join but not reply to β means content from inauthentic accounts can easily reach large, captive and eager audiences. "There are a lot of things that Telegram could have been doing this whole time. And they know exactly what they are and they've chosen not to do them. That's why I don't trust them," she said. "The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke. Oleksandra Matviichuk, a Kyiv-based lawyer and head of the Center for Civil Liberties, called Durovβs position "very weak," and urged concrete improvements. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat.
from cn