Founder Pavel Durov says tech is meant to set you free Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress. Groups are also not fully encrypted, end-to-end. This includes private groups. Private groups cannot be seen by other Telegram users, but Telegram itself can see the groups and all of the communications that you have in them. All of the same risks and warnings about channels can be applied to groups. In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed. Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels.
from ms