UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): February 27, 2012

TransUnion Corp.

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (312) 985-2000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Amendment to Amended and Restated Credit Agreement

After receiving the requisite consents from the lenders on February 27, 2012, TransUnion Corp., Trans Union LLC, Deutsche Bank Trust Company Americas, as administrative agent and as collateral agent and each other lender party thereto, executed an amendment (the “Second Amendment”) to the Amended and Restated Credit Agreement, dated February 10, 2011, among TransUnion Corp., Trans Union LLC, the guarantors party thereto, Deutsche Bank Trust Company Americas, as administrative and collateral agent, Deutsche Bank Trust Company Americas, as L/C issuer and swing line lender, the other lenders party thereto, Bank of America, N.A., as syndication agent, Credit Suisse Securities (USA) LLC and SunTrust Bank as TL documentation agents, U.S. Bank National Association, as RC documentation agent, the Governor and Company of The Bank Of Ireland, as senior managing agent and Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner and Smith and J.P. Morgan Securities LLC, as joint lead arrangers and joint bookrunners (the “Credit Agreement”). The guarantors to the Credit Agreement also consented to the execution of the Second Amendment. The Second Amendment amends, among other items, the definitions of “Change of Control” and “Sponsor” in the Credit Agreement and also increases the interest rates on borrowing under the senior secured credit facility. The effectiveness of the Second Amendment is subject to various conditions, including the consummation of the Sponsor Acquisition (as defined in the Second Amendment).

The foregoing description of the Second Amendment is a summary and is qualified in its entirety by reference to the Second Amendment, a copy of which is filed as Exhibit 10.1 hereto and is incorporated by reference herein.

A list of exhibits is set forth in the Exhibit Index which immediately precedes such Exhibits and is incorporated herein by reference.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Exhibit Index