More U.S. Officials Discuss Cyberattack Capabilities

For years, even as the United States carried out sophisticated cyberattacks on Iran’s nuclear program and the Pentagon created a Cyber Command, officials have been hesitant to discuss American offensive cyberwarfare programs openly. But the chorus of official voices speaking publicly about American cyberattack strategy and capabilities is steadily growing, and some experts say greater openness will allow the United States to stake out legal and ethical rules in the uncharted territory of computer combat.