Matt Blaze is a professor at the University of Pennsylvania, where he directs the Distributed Systems Lab. His research focuses on security, privacy, large scale systems, and the relationship between technology and public policy. He has analyzed the security properties of a number of surveillance systems, from the ill-faded "Clipper Chip" to the latest "lawful intercept" proposals. He is the author of numerous research papers and studies, and is frequently called upon to testify in congress on the implications of surveillance technologies.
