In the parlance of the government, the powerful Gen. Keith Alexander is a "dual-hat."
As director of the National Security Agency, which collects intelligence and keeps and breaks codes, he must operate under the rules of Title 50 of the U.S. code. As the head of the United States Cyber Command (USCYBERCOM), he simply puts on a different hat: Title 10 of the U.S. code, which proscribes conduct for military operations, is his guide.
This germ of a lesson in bureaucratic descriptionaring is a lot more important than it might seem. Alexander is the nation's chief defender of cyberspace, its chief collector of information about cyber threats, and its chief wager of cyberwarfare.
Consider a recent report that Chinese hackers had compromised the White House Military Office's communications systems....