Users: Change Password and Username, Add User
Here, you can add, edit or delete administrative users for the /appliance interface. You can also change an administrator's username, display name,or password. Bomgar recommends changing your password regularly to insure protection against unauthorized access.
See Appliance Administration: Restrict Accounts, Networks, and Ports, Set Up Syslog, Enable Login Agreement, Reset Admin Account to set account restriction rules including password expiry and history.