Video: Lt. General Keith Alexander talks about the NSA's efforts to secure online networks

Lt. General Keith Alexander talks about how the NSA is working on methods to secure online networks. He outlines two strategies: working with other nations to create an early warning system, and offering strong technical support within the NSA.

At RSA in San Francisco, Lt. General Keith Alexander talks about how the NSA is working on methods to secure online networks. He outlines two strategies: working with other nations to create an early warning system, and offering strong technical support within the NSA.