"Someone posing as a Ukrainian citizen just joins the chat and starts spreading misinformation, or gathers data, like the location of shelters," Tsekhanovska said, noting how false messages have urged Ukrainians to turn off their phones at a specific time of night, citing cybersafety. Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. On Feb. 27, however, he admitted from his Russian-language account that "Telegram channels are increasingly becoming a source of unverified information related to Ukrainian events." False news often spreads via public groups, or chats, with potentially fatal effects. Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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