![](https://www.digitalnisebeobrana.cz/wp-content/uploads/2018/12/spyware-2319403_960_720-300x200.jpg)
Plain (email)
Client to Server (Facebook Messenger, Gmail)
End to end (Signal, Threema, Wire)
You
Key:
Transfer to server (internet):
Hacker
Server:
AdminPolice
Transfer to receiver (internet):
Hacker
Receiver:
Key: