The Defense Department’s networks, as currently configured, are “not defensible,” according to the general in charge of protecting those networks. And if there’s a major electronic attack on this country, there may not be much he and his men can legally do to stop it in advance.

Gen. Keith Alexander, head of both the secretive National Security Agency and the military’s new U.S. Cyber Command, has tens of thousands of hackers, cryptologists, and system administrators serving under him. But at the moment, their ability to protect the Defense Department’s information infrastructure — let alone the broader civilian internet — is limited. The Pentagon’s patchwork quilt of 15,000 different networks is too haphazard to safeguard.

via Wired, continued here.