Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. Some privacy experts say Telegram is not secure enough "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts.
from cn