Inside “Eligible Receiver”, The NSA’s disturbingly successful hack of the American military | Slate

Each year, the Pentagon’s Joint Staff held an exercise called Eligible Receiver - a simulation or war game designed to highlight some threat or opportunity on the horizon. Minihan wanted the next exercise to test the vulnerability of the U.S. military’s networks to a cyber attack. The most dramatic way to do this, he proposed, was to launch a real attack on those networks.