Yahoo Sued After Disclosure User Names, Passwords Stolen

Yahoo! Inc. (YHOO), the operator of the biggest U.S. Web portal, was sued for negligence over its disclosure that as many as 450,000 user names and passwords were stolen from one of its sites.

A Yahoo user who said his login credentials were posted online after a hacker infiltrated a company database on July 11 filed a complaint July 31 in federal court in San Jose, California.