Threat Level: BLUE

If Firesheep doesn't make you feel naked, passing through airport security might. Major U.S. airports and federal buildings are deploying body scanners that can peer through clothing, rendering you virtually nude to security guards viewing the scan.

It gets worse. Last August, the U.S. Marshals Service in Orlando, Florida, admitted to storing some 35,000 body scans it was supposed to have destroyed. Naturally, some of those .

The , attempting to keep airports from deploying the machines. A wave of protest ensued, including everybody from ordinary people to members of the Allied Pilots and U.S. Travel Associations.