Steven M. Bellovin is a Fellow at AT&T Labs Research, where he works on networks, security, and, especially, why the two don't get along. He is a member of the National Academy of Engineering and is one of the Security Area directors of the Internet Engineering Task Force. Long ago he was one of the creators of NetNews.
He earned a B.A. from Columbia University an M.S. and a Ph.D. in computer science from the University of North Carolina at Chapel Hill.