Some privacy experts say Telegram is not secure enough In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Anastasia Vlasova/Getty Images However, the perpetrators of such frauds are now adopting new methods and technologies to defraud the investors.
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