Closest I can think of would be haveibeenpwned.

Mentally I say Fs-tab because its filesystem table but if I ever say it out loud its f-stab

“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