Hi jfuhr, the following article should answers both questions: (1) Delete saved logins, the section "Managing usernames and passwords" (2) Stop Firefox asking to save Logins, the section "Disabling the Password Manager" ''Article:'' [[Password Manager - Remember, delete and edit logins and passwords in Firefox]] ---- Bear in mind that scammers have access to millions of user logins stolen from websites and sold on the dark web. They haven't necessarily breached your computer. That said, if someone knows one of your logins and you have not yet changed the password, you should consider doing that. You can search your email address on Firefox Monitor ([https://monitor.firefox.com/]) to get a better sense of what accounts might have been compromised. Keep in mind that some of the breaches are just bulk mail lists or tracking profiles which do not contain passwords.