All default accounts are shipped without passwords. The system administrator should be sure to password protect these accounts at install time. The Guest account should be removed. Logs Logs of system activity are a useful security tool. If users are aware that activity is logged, and that logs are secured, that serves as a deterrent to mis-use.
Logs are also an effective investigative tool following incidents.
The following logs are relevant to security incidents, and should be retained for a period of at least three months. This file is an ascii file and is readable by any standard editor or viewer. You will be prompted to clear the error log. This file can also be deleted manually. Contains entries of events such as Intruder Lockouts, volume mounts and dismounts.