Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. Pavel Durov, Telegram's CEO, is known as "the Russian Mark Zuckerberg," for co-founding VKontakte, which is Russian for "in touch," a Facebook imitator that became the country's most popular social networking site. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. Although some channels have been removed, the curation process is considered opaque and insufficient by analysts.
from ua