The LulzSec mascot.
The list of sites recently attacked by the hackers known as Lulz Security include PBS, Sony, Fox, a popular pornography site and the United States Senate. Although Lulzsec says they hack just for the fun of it, they're also creating a real sense that the internet is broken, or at least far more insecure than most of us thought. For some perspective on all this, we're joined by Xeni Jardin. She's an editor at the tech and culture blog Boing Boing.