In the aftermath of the ChoicePoint incident, Privacy Rights Clearinghouse has produced a lengthy page on what the incident means to you and what data aggregators like ChoicePoint may have on you:
Alert: The ChoicePoint Data Security Breach: What It Means for You, and How to Find Out What ChoicePoint Knows about You:
"San Diego, CA -- Data aggregators compile in-depth dossiers of personal information on almost everyone, even though many have never heard of them, have never had an account with them, nor have given them permission to obtain personal information. Until recently, many Americans had never heard of ChoicePoint, one of the largest data aggregators. But with recent information coming to light that identity thieves opened 50 accounts to access ChoicePoint's databases of personal information, many people are just realizing that companies like ChoicePoint exist. (See www.washingtonpost.com/wp-dyn/articles/A30897-2005Feb16.html)..."