Education
He studied physics at the University of Groningen, graduating with a Doctor of Philosophy.
He studied physics at the University of Groningen, graduating with a Doctor of Philosophy.
He also wrote TCP Wrapper and collaborated with Dan Farmer to produce the computer security tools SATAN and The Coroner"s Toolkit. He spent 12 years at Eindhoven University as a systems architect in the Mathematics and Computer Science department, and spent part of this time writing tools for Electronic Data Interchange. Since emigrating to the United States. in 1996 and until 2015, he has been working for the International Business Machines Corporation Thomas J. Watson Research Center in New York State.
On March 24, 2015, he announced he was leaving International Business Machines Corporation for Google.