Sam Curry is VP and chief information security officer (CISO) in residence at Zscaler. He began his career in signals and cryptanalysis and was the first employee at Signal 9 Solutions, a small start-up that invented the personal firewall, executed the first commercial implementation of Blowfish, and devised early symmetric key VPN technology. Sam served as chief security architect there and as head of product for McAfee before holding several positions at RSA (the Security Division of EMC), including head of RSA labs at MIT and chief technology officer (CTO) and Distinguished Engineer for EMC. After seven years with RSA, Curry acted as SVP and CISO at Microstrategy, CSO and CTO for Arbor Networks, and as chief security officer (CSO) for Cyberreason. Sam holds 17 active patents in cybersecurity and a master’s degree in counterterrorism, and sits on two boards of directors. In addition, he teaches courses at Harvard (online), Wentworth Technology Institute, and Nichols College. He is also a Fellow at the National Security Institute at George Mason University.