NEW : White House : Audit shows NSA 's efforts to find , address privacy violations . CNN : NSA admits ` ` violations '' do occur , insists most are quickly addressed . Washington Post counts privacy violations -- violations of rules of court orders on surveillance . The agency also collected information from U.S. companies on the Internet activity of overseas residents , he said . Congressional leaders express concern about mistakes , call for more oversight .
NEW : White House : Audit shows NSA 's efforts to find , address privacy violations . CNN : NSA admits ` ` violations '' do occur , insists most are quickly addressed . Washington Post counts privacy violations -- violations of rules of court orders on surveillance . Congressional leaders express concern about mistakes , call for more oversight .