Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. For Oleksandra Tsekhanovska, head of the Hybrid Warfare Analytical Group at the Kyiv-based Ukraine Crisis Media Center, the effects are both near- and far-reaching. Oleksandra Matviichuk, a Kyiv-based lawyer and head of the Center for Civil Liberties, called Durov’s position "very weak," and urged concrete improvements. Some privacy experts say Telegram is not secure enough
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