Who: China, Iran, Israel, Russia, U.S.
Objectives: Intelligence, state secrets, sabotage
Targets: Foreign governments, terrorists, industry
Signature: Multi-tiered, precisely orchestrated attacks that breach computer systems
Classic Case: One-fifth of Iran's nuclear centrifuges crashed after Stuxnet, a worm reportedly developed by U.S. and Israeli intelligence, penetrated computers at an Iranian enrichment facility. Iran allegedly retaliated by disrupting access to the websites of J.P. Morgan (Fortune 500), , PNC (Fortune 500), , Wells Fargo (Fortune 500), and others. ,
Budget cuts loom for traditional military contractors - but electronic-security companies will flourish.