intelligence service

A top defense official noted this week that a foreign intelligence service stole about 24,000 files from a US defense contractor, which is a dramatic illustration of the threat facing the Pentagon as it makes every effort to tighten computer security.

William Lynn, a Deputy Defense Secretary, said that theft as he unveiled a new Pentagon cybersecurity strategy that designates cyberspace as an "operational domain" like sea, air and land where U.S. forces will practice, train and prepare to defend against attacks.