Reg FD Disclosure

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): March 1, 2018 Equifax Inc. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 54-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 (Address of Principal Executive Offices) (Zip Code) Registrant’s telephone number, including area code: (404) 885-8000 Not Applicable (Former Name or Former Address, if Changed Since Last Report) 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: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230-405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 7.01. Regulation FD Disclosure. On March 1, 2018, Equifax Inc. issued a press release providing updated information regarding the 2017 cybersecurity incident. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein. Item 9.01. Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 99.1 Press Release dated March 1, 2018. 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. Equifax Inc. By: /s/ John J. Kelley III Name: John J. Kelley III Title: Corporate Vice President, Chief Legal Officer and Corporate Secretary Date: March 1, 2018