At last, a way to see who else is viewing your Facebook profile.
When a social network shuts down, your profile may be sold or recycled.
A handheld device used to recognize possible criminals could also infringe on people's privacy.
Spoofing and old-fashioned techniques borrowed from computers can give anyone access.
Whoever finds it enters a serial number on a website, which immediately notifies you of the item's location.
Foil over-the-shoulder snoopers when you use your tablet in public.
Location-based services offer many perks without sacrificing privacy.
Security flaw allows hackers to steal cookies and log onto password-protected websites.
Blimps that project video and audio feeds from a remote boss are capable of overseeing workers.
In the future, a computer virus may be wiped out in much the same fashion that humans overcome a cold.