EX-23 2 attltsspconsent.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP Exhibit 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-47257) of AT&T Corp. of our report dated July 1, 2004 relating to the financial statements and supplemental schedule of the AT&T Long Term Savings and Security Plan, which appears in this Form 11-K. PricewaterhouseCoopers LLP New York, NY July 9, 2004