Visa: ‘No accounts have been used fraudulently’. “The hacker who breached a security system to get into credit card information had access to about 5.6 million Visa and Mastercard accounts, far more than originally announced, the two card associations told CNN Tuesday.

Monday, Visa and Mastercard said the hacker could look at as many as 2.2 million accounts after breaching the security system of a company that processes credit card transactions on behalf of merchants.” CNN