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. 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. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. However, the perpetrators of such frauds are now adopting new methods and technologies to defraud the investors.
from us
