The three major credit bureaus are Equifax, Experian, and keep information on your credit history. If you don't have any credit it should say is that the report does not exist because no credit has been established. If they do have credit established, it will tell you what is on your report. If you should ever see something on your report that looks like fraud, Contact the fraud departments of any one of the three major credit bureaus to place a fraud alert on your credit file.
You may request free credit reports once a year from all three major credit bureaus. Your credit score is a number given to you by the three major credit bureau agencies that reflect your credit profile. At first, it would seem as though your credit score would be the same at all three major credit bureau companies, but in fact all three scores can be different. Credit scores are improved by having the right type of credit, showing responsible use and not having too much credit.
Let's say, find that some information in your credit report that is incorrect, you may to dispute that information to have it corrected. To file a dispute, you have to attach a copy of your credit report and mark the incorrect items. You most likely will have to prove that the information is false. You should mail the dispute letter as certified mail and always keep copies for yourself. Just like most data you need to have a backup in case you would need to prove what you had sent. Your letter should include your complete name and address, clearly identify each item you dispute, explain why you dispute the information, and request deletion or correction.