Susan Landau is Senior Staff Engineer at Sun Microsystems Laboratories, where she concentrates on the interplay between security and public policy. Before joining Sun, Landau was a faculty member at the University of Massachusetts and Wesleyan University. She and Whitfield Diffie have written Privacy on the Line: The Politics of Wiretapping and Encryption. She is a member of the National Institute of Standards and Technology's Information Security and Privacy Advisory Board and she maintains researcHers, a mailing list for women computer science researchers.