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Portrait of Gordon Lyon

Gordon Lyon

b. 1953

American network security expert, open source programmer, writer, and a hacker

Engineer Software developerWriter
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About Gordon Lyon

Born 1953. Gordon Lyon is an American engineer, software developer, writer, hacker and computer scientist, known for Nmap.

Gordon Lyon (also known by his pseudonym Fyodor Vaskovich) is an American network security expert, creator of Nmap and author of books, websites, and technical papers about network security. He is a founding member of the Honeynet Project and was Vice President of Computer Professionals for Social Responsibility.

Personal life Lyon has been active in the network security community since the mid-1990s. His handle, "Fyodor", was taken from Russian author Fyodor Dostoyevsky. Most of his programming is done in the C, C++, and Perl programming languages.

Opposition to grayware In December 2011, Lyon published a post criticizing the fact that Download.com started bundling grayware with their installation managers and expressing concerns users confusing Download.com-offered content for software offered by original authors; he accused them of using deception as well as copyright and trademark violation.

Conferences Lyon has presented at DEFCON, CanSecWest, FOSDEM, IT Security World, Security Masters' Dojo, ShmooCon, IT-Defense, SFOBug, and other security conferences.

Websites

Lyon maintains several network security web sites: Nmap.Org – Host of the Nmap security scanner and its documentation SecTools.Org – The top 100 network security tools (ranked by thousands of Nmap users) SecLists.Org – Archive of the most common security mailing lists Insecure.Org – His main site, offering security news/updates, exploit world archive, and other misc. security resources

Published books

Know Your Enemy: Revealing the Security Tools, Tactics, and Motives of the Blackhat Community, co-authored with other members of the Honeynet Project. Stealing the Network: How to Own a Continent, co-authored with Kevin Mitnick and other hackers. Nmap Network Scanning

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Important facts

Born
1953, California
Birth century
Nationality
Known for
Nmap
Also known as
Gordon Fyodor Lyon

People in Gordon Lyon's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Gordon Lyon's

Frequently asked questions

Who is Gordon Lyon?

American network security expert, open source programmer, writer, and a hacker

When was Gordon Lyon born?

Gordon Lyon was born in 1953 in California.

What is Gordon Lyon's occupation?

Gordon Lyon is an engineer, software developer, writer, hacker and computer scientist.

What is Gordon Lyon known for?

Gordon Lyon is known for Nmap.

What nationality is Gordon Lyon?

Gordon Lyon is American.

Sources & further reading

Β· Wikipedia: Gordon Lyon

Β· Wikidata: Q3091346

Β· DBpedia: Gordon Lyon

Cite this page

APA: Biography.guide. (2026). Gordon Lyon. https://biography.guide/gordon-lyon/

MLA: "Gordon Lyon." Biography.guide, https://biography.guide/gordon-lyon/.

Chicago: "Gordon Lyon." Biography.guide. https://biography.guide/gordon-lyon/.

Data last updated: 2026-09-20 Β· Spot an error? Report a correction.

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