"Mahmood's proven track record and strong leadership acumen, coupled with the depth of experience in cybersecurity and information security management, makes him the ideal candidate for Chief Information Security Officer," Possell said. "Under Mahmood's leadership, CNA will continue to innovate on our approach to information and cybersecurity, achieve strength and protection against threats, and maintain our position as an industry leader in technology."

Khan joins CNA with more than 20 years of experience building and executing innovative information and cybersecurity strategies. Most recently, Khan served as Managing Director, Cyber Security Operations for United Airlines Inc., and was responsible for the leadership of a cybersecurity operation for an airline that spanned 73 countries. Prior to United Airlines, Khan served as Senior Vice President, Global Information Security, for Bank of America.

Khan earned a bachelor's degree in Computer Information Systems from DePaul University and a master's degree in Cyber Security from Missouri State University.