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

                                August 14, 2002
                Date of report (Date of earliest event reported)

                                   AT&T CORP.

               (Exact Name of Registrant as Specified in Charter)


     NEW YORK                       1-1105                     13-4924710
 (State or Other               (Commission File               (IRS Employer
   Jurisdiction                     Number)                Identification No.)
of Incorporation)



            295 NORTH MAPLE AVENUE,  BASKING RIDGE, NEW JERSEY 07920
          (Address of Principal Executive Offices, including Zip Code)

                                 (908) 221-2000
              (Registrant's telephone number, including area code)

          (Former Name or Former Address, if Changed Since Last Report)

ITEM 9.  Sales of Equity Securities Pursuant to Regulation S.

                  CERTIFICATION OF PERIODIC FINANCIAL REPORTS

I, C.  Michael  Armstrong,  Chief  Executive  Officer  of AT&T  Corp.,  certify,
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)      the Quarterly  Report on Form 10-Q for the quarterly  period ended June
         30, 2002 (the "Periodic Report") which this statement accompanies fully
         complies  with  the  requirements  of  Section  13(a)  or  15(d) of the
         Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) and

(2)      information  contained  in the Periodic Report fairly  presents, in all
         material respects, the financial condition and results of operations of
         AT&T Corp.

This  certificate is being  furnished  solely for purposes of Section 906 and is
not being filed as part of the Periodic Report.

Dated:  August 13, 2002



                                            /s/  C. Michael Armstrong
                                            ------------------------------------
                                                 C. Michael Armstrong




                   CERTIFICATION OF PERIODIC FINANCIAL REPORTS

I, Thomas W. Horton, Chief Financial Officer of AT&T Corp., certify, pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

(3)      the Quarterly  Report on Form 10-Q for the quarterly  period ended June
         30, 2002 (the "Periodic Report") which this statement accompanies fully
         complies  with  the  requirements  of  Section  13(a)  or  15(d) of the
         Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) and

(4)      information  contained in  the Periodic Report fairly  presents, in all
         material respects, the financial condition and results of operations of
         AT&T Corp.

This  certificate is being  furnished  solely for purposes of Section 906 and is
not being filed as part of the Periodic Report.

Dated:  August 13, 2002



                                            /s/  Thomas W. Horton
                                            ---------------------------------
                                                 Thomas W. Horton





                                   SIGNATURES

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.

Date: August 14, 2002


                                AT&T CORP.


                                By:  /s/     Marilyn J. Wasser
                                     -------------------------------------
                                     Name:   Marilyn J. Wasser
                                     Title:  Vice President and Secretary