Some privacy experts say Telegram is not secure enough Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. He said that since his platform does not have the capacity to check all channels, it may restrict some in Russia and Ukraine "for the duration of the conflict," but then reversed course hours later after many users complained that Telegram was an important source of information. In 2018, Russia banned Telegram although it reversed the prohibition two years later. In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies.
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