William M. Hancock, PhD, CISSP, CISM, is VP of Security and Chief Security Officer of Cable & Wireless, one of the largest telecom and hosting companies in the world. He has over 30 years of experi...voir plusWilliam M. Hancock, PhD, CISSP, CISM, is VP of Security and Chief Security Officer of Cable & Wireless, one of the largest telecom and hosting companies in the world. He has over 30 years of experience in networking, security and related technologies and is the author of many books and articles on security, networking and technology strategy.voir moins