caption website other_names image_size known_for residence image article_title name
lyon in san francisco , california http://insecure.org/fyodor/ fyodor vaskovich 300px nmap palo alto , california gordon _ `` fyodor '' _ lyon.jpg gordon lyon
 gordon lyon
gordon lyon

gordon lyon -lrb- also known by his pseudonym fyodor vaskovich -rrb- is a network security expert , open source programmer , writer , and a hacker .
he authored the open source nmap security scanner and numerous books , web sites , and technical papers focusing on network security .
lyon is a founding member of the honeynet project and vice president of computer professionals for social responsibility .
