In view of this, the regulator has cautioned investors not to rely on such investment tips / advice received through social media platforms. It has also said investors should exercise utmost caution while taking investment decisions while dealing in the securities market. Despite Telegram's origins, its approach to users' security has privacy advocates worried. Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. Some privacy experts say Telegram is not secure enough
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