A hack on a popular Web fantasy site may have exposed the personal data of some 650,000 players, site operators revealed late last week.

Second Life, a virtual world in which players can live out another existence, was hit by a "zero-day exploit" last week, and a database containing players' names, addresses, passwords, and payment information was compromised...Systems administrators for Second Life voided all of the participants' passwords, forcing users to change to new passwords immediately. Users will have to answer a security question in order to get a new password...