A CNN interview with "cyber security expert" Greg Evans claims that hackers can remotely access computer webcams and internal microphones if they know what they're doing and if these security weaknesses haven't been locked down. Here's the video (link to video if you can't see it on this page):
-Geoff

About the Author
Geoff Kohl | Editorial Director/Editor-in-Chief/Associate Publisher
Geoff Kohl is the Marketing Director for the Security Industry Association (SIA). He is the former Editor-in-Chief of SecurityInfoWatch.com