The Security Service of Ukraine said in a tweet that it was able to effectively target Russian convoys near Kyiv because of messages sent to an official Telegram bot account called "STOP Russian War." Just days after Russia invaded Ukraine, Durov wrote that Telegram was "increasingly becoming a source of unverified information," and he worried about the app being used to "incite ethnic hatred." False news often spreads via public groups, or chats, with potentially fatal effects. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Some privacy experts say Telegram is not secure enough
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