The MTProto protocol is not really safe for your security
This is basically a warning to not use Telegram for anything sensitive:
https://symbolic.software/pdf/gnmx-01.pdf
Not only does this exposure exist - and hasn’t been addressed architecturally despite there being a straightforward mechanism to fix it, but another researcher uncovered that all Telegram traffic flows through two servers in Moscow. This doesn’t mean your chats are being decrypted or anything, but you and your device can be tracked and I think this is exactly what they are doing.
#Telegram #mtproto #privacy #cybersecurity