Gen. Keith Alexander (Retired) saw the nation-state cybersecurity threat evolve from a nuisance to a sophisticated adversary. Now, as CEO of IronNet Cybersecurity, he’s spearheading a defense. Alexander is a four-star general with a 40-year military career, culminating in the role of the director of the National Security Agency and chief of the Central Security Service from 2005-2014. He holds the distinction of serving in this role longer than any other director. While serving as the NSA director, he was appointed to be the first commander to lead the U.S. Cyber Command.”]
Source: https://www.careersinfosecurity.com/ret-gen-keith-alexander-on-nation-state-threat-a-10885