Alice Greenwald, President & CEO of 9/11 Memorial and Museum, and Frank Bisignano, Chairman & CEO of First Data, discuss the importance of the Summit on Security. Retired U.S. Army General Keith Alexander, President & CEO of IronNet Cybersecurity, explains how industries and the government can work together to be better prepared for cyber hacks. Richard Falkenrath, Chief Security Officer at Bridgewater Associates, shares his thoughts on the September 11th terrorist attacks and how defensive technologies are getting better at protection preparation. Luke Dembosky, Partner at Debevoise & Plimpton, breaks down the best game plan to handle big systemic threats. Mark Hughes, CEO at BT Security, discusses spotting network vulnerabilities to combat cyber risks in the U.K. Theresa Payton, CEO of Fortalice, talks about identifying and stopping cyber "bad guys."

Hosts: Carol Massar and Jason Kelly. Producer: Paul Brennan