Despite Telegram's origins, its approach to users' security has privacy advocates worried. READ MORE 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." Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. "This time we received the coordinates of enemy vehicles marked 'V' in Kyiv region," it added.
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