'Cyberwar games' used more by companies to thwart hackers

Increasingly under Internet attack, more and more businesses are using "cyberwar games" to learn how to spot and counter the tricky tactics used by hackers. "It keeps you on your toes," said Michael Scheck, an information security investigations manager at Cisco Systems, which hosts its own war games and takes part in others. In the fast-evolving combat with computer-savvy antagonists, he said, "you have to play cat and mouse."