But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Despite Telegram's origins, its approach to users' security has privacy advocates worried. In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies. He adds: "Telegram has become my primary news source." Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress.
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