What Russians should keep in mind when using Telegram

Russians have turned to the popular hybrid messaging-forum app Telegram for news and conversations about the war in Ukraine that's not the officially state-sanctioned version of events. But some of these Telegram users might want to tread lightly. Telegram has a reputation as a secure messaging app, but, contrary to that reputation, not all communications on the platform have the highest level of security. Unlike on Signal or WhatsApp, messages on Telegram are not end-to-end encrypted by default...