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. Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. Some privacy experts say Telegram is not secure enough
from tr