Database systems are big users of default passwords. Software packages, such as games, use default passwords. Finally, the BIOS computer chips in many PCs have built in passwords. Uses of Default Passwords Built-in userids and passwords have a number of uses. Operating systems, databases and applications software use built-in userids and passwords for initial installations or for upgrades.
Defaults are often essential to the installation process.
Vendors use built-in accounts for customer support. These logonids may be customized for specialized uses. Vendors maintain and troubleshoot problems with pre-configured default accounts. Sometimes, vendor support personnel will resist any suggestion to take the defaults away. A properly configured demonstration default account will permit a potential customer to try out software before purchase or permit a user to learn the software at his own pace using planned lessons.