Cyberwar

The notorious hacktivist collective Anonymous has targeted everyone from PayPal to the FBI. But a string of arrests have crippled the group. So who is Anonymous now?

Sony Pictures was hacked and the U.S. blamed North Korea. But the government's evidence wasn't all that convincing, and many hackers and computer experts still have doubts.

Authoritarian regimes are using spyware tools bought from private companies in the West. Hacker PhineasFisher targeted these companies to reveal their deals to suppress dissent.

From Google to the government, China has hacked many American networks. But there’s a difference between spying and stealing intellectual property.

On the frontlines of one of the world's bloodiest conflicts, a parallel war is being fought in cyberspace. Is Syria's cyber battlefield creating a model for the wars of the future?

Stuxnet was a sophisticated cyber attack on an Iranian nuclear plant that may have changed the nature of warfare forever.