In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies. Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government.
from ms
