Noah Shachtman:

Einstein 2 is supposed to inspect data for threat signatures as it enters federal networks. Einstein 3 goes even further — alerting DHS and the NSA before the attacks hit. “You’re starting to anticipate intrusions, anticipate threat signatures, and try and preventing things from getting to the firewalls rather than just stopping at the firewalls,” Lynn told Danger Room after his Cyber Symposium speech. (Full disclosure: I ran a panel at the event, and the military paid my travel costs.)

One word: Skynet.