Nadean H. Tanner, CASP+, CISSP, MCSA, ITILv3, has worked in technology for more than 20 years, learning about every aspect of the field as a marketer, trainer, web developer, and hardware technician. She has served as an IT director and technology instructor at the postgraduate level, and has been a cybersecurity trainer and consultant for Fortune 500 companies as well as for the U.S. Department of Defense.