Dr. Avi Rubin is Professor of Computer Science and Technical Director of the Information Security Institute at Johns Hopkins University. Prior to joining Johns Hopkins, Rubin was a research scientist at AT&T Labs. Rubin is author of several books including Firewalls and Internet Security, second edition (with Bill Cheswick and Steve Bellovin, Addison Wesley, 2003), White-Hat Security Arsenal (Addison Wesley, 2001), and Web Security Sourcebook (with Dan Geer and Marcus Ranum, John Wiley & Sons, 1997). He is Associate Editor of ACM Transactions on Internet Technology, Associate Editor of IEEE Security & Privacy, and an Advisory Board member of Springer's Information Security and Cryptography Book Series. Rubin serves on the board of directors of the USENIX Association and on the DARPA Information Science and Technology Study Group.