In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies. Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress. Although some channels have been removed, the curation process is considered opaque and insufficient by analysts. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat.
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