Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. I want a secure messaging app, should I use Telegram? 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. He adds: "Telegram has become my primary news source." Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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