Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. Despite Telegram's origins, its approach to users' security has privacy advocates worried. He adds: "Telegram has become my primary news source." The picture was mixed overseas. Hong Kong’s Hang Seng Index fell 1.6%, under pressure from U.S. regulatory scrutiny on New York-listed Chinese companies. Stocks were more buoyant in Europe, where Frankfurt’s DAX surged 1.4%. Some privacy experts say Telegram is not secure enough
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