By Jenni Hesterman, Special Contributor

I was honored when asked to review Dr. Brenner’s latest book, America the Vulnerable: Inside the New Threat Matrix of Digital Espionage, Crime and Warfare. Dr. Brenner was not only a top level official at the NSA, but the National Counterintelligence Executive for the Director of National Intelligence.   He was awarded a PhD from the London School of Economics and a JD from the Harvard Law school.  Dr. Brenner is one of those “deep thinking operators” that I attempt to cultivate while directing the Graduate Intelligence and National Security Studies program at American Military University.  His book offers us rare insight into the cyber threat…and we would be wise to listen to his warnings and advice.