Despite Telegram's origins, its approach to users' security has privacy advocates worried. In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed. The regulator said it had received information that messages containing stock tips and other investment advice with respect to selected listed companies are being widely circulated through websites and social media platforms such as Telegram, Facebook, WhatsApp and Instagram. Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels.
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