Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Again, in contrast to Facebook, Google and Twitter, Telegram's founder Pavel Durov runs his company in relative secrecy from Dubai. Despite Telegram's origins, its approach to users' security has privacy advocates worried. "Your messages about the movement of the enemy through the official chatbot … bring new trophies every day," the government agency tweeted.
from sa