Charlie Kaufman, currently a security architect at Dell/EMC, has been involved with computer networking and security issues for over 25 years. Prior to Dell, he was the security architect for Windows Azure at Microsoft. At Lotus, he was chief security architect for Lotus Notes. At Digital, he was the Security Architect for their networking group and later for Digital's UNIX offering. He has contributed to a number of IETF standards including IPsec, S/MIME, and DNSsec and served as a member of the Internet Architecture Board. He is co-author of “Network Security: Private Communication in a Public World” and served on the National Academy of Sciences expert panel that wrote the book Trust In Cyberspace.