Bill Cheswick logged into his first computer in 1968. Seven years later, he was graduated from Lehigh University in 1975 with a degree resembling Computer Science. Cheswick has worked on (and against) operating system security for over 35 years. He has worked at Lehigh University and the Naval Air Development Center in system software and communications. At the American Newspaper Publishers Association/Research Institute he shared his first patent for a hardware-based spelling checker, a device clearly after its time.
For several years he consulted at a variety of universities doing system management, software development, communications design and installation, PC evaluations, etc.
Ches joined Bell Labs in December 1987, where he became postmaster and firewall administrator and designer. He did early work on packet backscatter, firewall and honeypot design. Early papers gave new meanings the words "proxy" and "jail". He is probably best known for "Firewalls and Internet Security; Repelling the Wily Hacker", co-authored with Steve Bellovin, which help train the first generation of Internet security experts. In 1998, Ches started the Internet Mapping Project with Hal Burch. This work became to core technology of a Bell Labs spin-off, Lumeta Corporation. Ches has pinged a US nuclear attack submarine (distance, 66ms).
He joined AT&T Shannon Lab in April 2007 and worked on security, visualization, and user interfaces. He was particularly innovative at Shannon, producing a number of product and patent ideas, including "slow movies", a new way to see movies, and some new authentication ideas.
Ches is popular public speaker and has given keynote presentations in a couple dozen countries.
Ches has a wide interest in science and medicine. In his spare time he reads technical journals, hacks his home, and develops exhibit software for science museums. He eats very plain food---boring by even American standards.