3Qs: Hackers turn PlayStation into pay station

In late April, a hacker crip­pled Sony’s PlaySta­tion Net­work by stealing the names, home addresses and per­haps even the credit card num­bers of some 70 mil­lion sub­scribers, who play and down­load games through the online ser­vice. Here, pro­fessor Engin Kirda assesses the impact of the attack.