Password management system

1. A method for authenticating a user, the method comprising:

creating a password inventory, wherein the password inventory comprises a list of one or more passwords, wherein each of the one or more passwords corresponds to a password key;

updating the password inventory without input from a user, wherein updating the password inventory comprises one or more of:

issuing a new password key to each password; and

issuing a new password to each password key;

based on updating the password inventory transmitting information detailing a portion of the password inventory to a third device, wherein the user has access to the third device, and wherein the third device is a mobile device;

receiving a first login request from a first device;

transmitting information detailing a first password key to the first device, wherein the first password key corresponds to a first password from the list of one or more passwords;

receiving information detailing a first entered password from the first device; and

determining whether the first entered password is identical to the first password from the list of one or more passwords.