EX-23 2 attltsspconsent063005.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 33-50817) of AT&T Corp. of our report dated June 22, 2005 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 Florham Park, New Jersey June 28, 2005