Could your plane be hacked?

Story highlights

  • Bruce Schneier says plane being hacked is not his biggest concern
  • As computers key to infrastructure become connected, vulnerability to cyberattack grows, he says
  • Schneier: We have to build security into everything that is going to be connected to Internet

Bruce Schneier is a security technologist and author. He is the chief technology officer of Resilient Systems, and his latest book is "Data and Goliath: The Hidden Battles to Collect Your Data and Control Your World." He blogs at and tweets @schneierblog. The views expressed are his own.

(CNN)Imagine this: A terrorist hacks into a commercial airplane from the ground, takes over the controls from the pilots and flies the plane into the ground. It sounds like the plot of some "Die Hard" reboot, but it's actually one of the possible scenarios outlined in a new Government Accountability Office report on security vulnerabilities in modern airplanes.

It's certainly possible, but in the scheme of Internet risks I worry about, it's not very high. I'm more worried about t