Homeland Security

For those who want to stop others from tracking their movement, GPS signals can be jammed -- albeit illegally. And now, GPS signals can also be 'spoofed.'

Lawmakers are likely to raise alternative fuel costs at Hagel confirmation hearing.

Internet computing language Java may be leaving your computer vulnerable to hackers. Did overly-aggressive prosecutors drive software wunderkind Aaron Swartz to suicide? And, a look at a new technology that could change the future of keyboards and gaming controllers.

Have you heard about the Twitters and Facebookies?