Will there be a digital Pearl Harbor? Will there be one major catastrophe, or just smaller disasters? Panelists discuss what security issues we should be watching out for, where the threat might come from, and the difficulties in predicting the unpredictable. Panelists include: Whitfield Diffie, vice president and chief security officer for Sun Microsystems; Ronald Rivest, Viterbi Professor of Electrical Engineering and Computer Science at MIT; Adi Shamir, professor of computer science at the Weizmann Institute of Science in Israel; and Bruce Schneier, chief security technology officer for BT Counterpane. Moderating the panel is Ari Juels, chief scientist and director of RSA Laboratories.