The message was not authentic, with the real Zelenskiy soon denying the claim on his official Telegram channel, but the incident highlighted a major problem: disinformation quickly spreads unchecked on the encrypted app. Russian President Vladimir Putin launched Russia's invasion of Ukraine in the early-morning hours of February 24, targeting several key cities with military strikes. Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. Anastasia Vlasova/Getty Images But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat.
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