Hacker accesses 5.6 million credit cards Visa: No accounts have been used fraudulently From Fred Katayama CNNfn Tuesday, February 18, 2003 Posted: 12:16 PM EST (1716 GMT) NEW YORK (CNN) -- 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 …showed first 75 words of 738 total…

…showed last 75 words of 738 total…an Internet attack. Officials had "no sense" where the attack attempts were coming from, but Olson said there is no indication that any terrorist group has so far attempted an Internet attack. On September 18, the Critical Infrastructure Protection Board will be putting out a national strategy to secure cyberspace, to protect against Internet attacks, Olson said. -- CNN Correspondent Jeanne Meserve, CNN Producer Brad Wright and CNN Sci-Tech Editor Daniel Sieberg contributed to this report.