"To solve this problem, we have re-engineered our entire login process to never send the login password to our server, which has the added benefit of helping protect against MITM (man-in-the-middle) attacks."
https://proton.me/blog/encrypted-email-authentication
"To solve this problem, we have re-engineered our entire login process to never send the login password to our server, which has the added benefit of helping protect against MITM (man-in-the-middle) attacks."
https://proton.me/blog/encrypted-email-authentication