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. False news often spreads via public groups, or chats, with potentially fatal effects. The Security Service of Ukraine said in a tweet that it was able to effectively target Russian convoys near Kyiv because of messages sent to an official Telegram bot account called "STOP Russian War." 'Wild West' Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts.
from fr