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Old-fashioned cyber-defense also will remain critical. [Space Command boss Gen. William] Shelton said he wants networks riddled with sensors and redundancies to spot intrusions and irregularities, as well as redundancies and layers to keep the bad guy out — “walls within walls,” he said. Although he said the Air Force today is “very good” at cyber-defense, he said it must get a “predictive capability,” because it can’t monitor and defend everywhere.

“We have to identify the assets we protect and then protect the essential ones,” he said. “We have to make conscious decisions that other parts of network don’t receive as much attention, so as you can see shifting from ‘traditional’ cyber defense to a strategy of resilience and layers” — what he called “the walls and moats” developed by the 24th Air Force.