Some privacy experts say Telegram is not secure enough False news often spreads via public groups, or chats, with potentially fatal effects. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. Telegram boasts 500 million users, who share information individually and in groups in relative security. But Telegram's use as a one-way broadcast channel — which followers can join but not reply to — means content from inauthentic accounts can easily reach large, captive and eager audiences. In this regard, Sebi collaborated with the Telecom Regulatory Authority of India (TRAI) to reduce the vulnerability of the securities market to manipulation through misuse of mass communication medium like bulk SMS.
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