My XeroBank/Firefox browser is configured this way: Always clear my private data when I close Firefox: Browsing History Download History Cache Cookies Authenticated Sessions These options are unmarked / were not selected / activated: Saved Form Information Saved Passwords Also, these options are enabled: Accept cookies from sites - Keep until I close Firefox. Remember what I enter in forms and the search bar. I was wondering why XeroBank have all options enabled, since we can't fill all password fields if we are using strong and different passwords, and even different usernames. Also, it is not wise to fill all over again the same data used before in all forms. Why we should bother if passwords and form informations are being recorded by Firefox, if he is not being used by someone else (including our machine)? If I am recording these informations, they may represent a threat to my privacy, and my wish to be anonymous? I mean, cookies can trace you back to where they came from. Saved form informations and passwords can do the same?