Marc Rogers is the executive director of cybersecurity at Okta. With a career that spans more than 20 years, Marc has been hacking since the 80's and is now a white-hat hacker. Prior to Okta, Marc served as the head of security for Cloudflare and spent a decade managing security for the UK operator, Vodafone. He was a CISO in South Korea and co-founded a disruptive Bay Area startup. In his role as technical advisor on "Mr. Robot," he helped create hacks for the show. And, as if that's not enough, he also organizes the world's largest hacking conference: DEF CON.