Remember that companies voluntarily file information with a credit bureau and clerical errors may creep in.

FORBES: Magazine Article

If you spot any spurious information, demand that the credit bureau investigate and correct it.

FORBES: Credit Bureaus Wouldn't Cut It On 'CSI'

He cites another possible example, in which an advertising company purchases a credit bureau, which then sells that information to an insurance Web site.

CNN: Zero-Knowledge launches anonymous access