Michael Calce, aka "Mafiaboy," who shut down major Web sites in 2000, has written a tell-all book that is due out next week.
commentary LulzSec may have called it quits, but they're just the latest to poke holes in the weak Web sites that litter the Internet.
Twitter was offline for hours after suffering a distributed denial-of-service (DDoS) attack that targeted one user. Facebook and some Google sites also were hit. What happened and why?
The Internet has revolutionised the way we live, over almost 50 years of development. In this feature, we detail the 50 defining moments we feel are most significant to the Web