Hackers are sending out fake emails from credit card companies in an attempt to infect vulnerable PCs with malware.

But before you trade in your computer for a Royal De Luxe, there is some good news, too. There are a few things you can do to make it harder for the hackers if they do slide into your digital life.

George Mason University researchers recently uncovered a way for hackers to track the location of nearly any computer or mobile device. Named “nRootTag” by the team, the attack uses a device’s ...