False news often spreads via public groups, or chats, with potentially fatal effects. "There is a significant risk of insider threat or hacking of Telegram systems that could expose all of these chats to the Russian government," said Eva Galperin with the Electronic Frontier Foundation, which has called for Telegram to improve its privacy practices. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. Anastasia Vlasova/Getty Images Two days after Russia invaded Ukraine, an account on the Telegram messaging platform posing as President Volodymyr Zelenskiy urged his armed forces to surrender.
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