Despite Telegram's origins, its approach to users' security has privacy advocates worried. In a message on his Telegram channel recently recounting the episode, Durov wrote: "I lost my company and my home, but would do it again – without hesitation." 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. Although some channels have been removed, the curation process is considered opaque and insufficient by analysts. False news often spreads via public groups, or chats, with potentially fatal effects.
from fr