Gordon Lyon

From Wikipedia, the free encyclopedia

Gordon Lyon
Born1977 (age 46–47)
Other namesFyodor Vaskovich
Known forNmap

Gordon Lyon (also known by his pseudonym Fyodor Vaskovich[1]) is an American network security expert,[2] 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[edit]

Lyon has been active in the network security community since the mid-1990s. His handle, "Fyodor", was taken from Russian author Fyodor Dostoyevsky.[3] Most of his programming is done in the C, C++, and Perl programming languages.

Opposition to grayware[edit]

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; his accusations included deception as well as copyright and trademark violation.[4][5]


Lyon has presented at DEFCON, CanSecWest, FOSDEM, IT Security World, Security Masters' Dojo, ShmooCon, IT-Defense, SFOBug, and other security conferences.[6][7]


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[edit]

  • Know Your Enemy: Revealing the Security Tools, Tactics, and Motives of the Blackhat Community,[8] co-authored with other members of the Honeynet Project.
  • Stealing the Network: How to Own a Continent,[9] co-authored with Kevin Mitnick and other hackers.
  • Nmap Network Scanning[10]

See also[edit]


  1. ^ "! S a f e m o d e . o r g !". May 15, 2019. Archived from the original on May 15, 2019. Retrieved November 24, 2021.
  2. ^ Leyden, John (October 5, 2012). "Experts troll 'biggest security mag in the world' with DICKish submission". The Register. Retrieved January 17, 2021.
  3. ^ "About me". Retrieved January 17, 2021.
  4. ^ Krebs, Brian (December 6, 2011). "Download.com Bundling Toolbars, Trojans?". Krebs on Security. Retrieved January 17, 2021.
  5. ^ Lyon, Gordon (June 27, 2012). "Download.com Caught Adding Malware to Nmap & Other Software". Retrieved January 17, 2021.
  6. ^ "Fyodor's Nmap Presentations". Retrieved January 17, 2021.
  7. ^ DEFCONConference (February 7, 2014). "DEF CON 13 - Fyodor, Hacking Nmap". YouTube. Archived from the original on December 13, 2021. Retrieved January 17, 2021.
  8. ^ The Honeypot Project (2002). Know Your Enemy: Revealing the Security Tools, Tactics, and Motives of the Blackhat Community. Addison-Wesley. ISBN 0-201-74613-1.
  9. ^ 1131ah; Rogers, Russ; Beale, Jay; Grand, Joe; Fyodor; FX; Craig, Paul; Mullen, Timothy; Parker, Tom (2004). Stealing the Network: How to Own a Continent. Syngress. ISBN 1-931836-05-1.
  10. ^ Lyon, Gordon (2008). Nmap Network Scanning. Nmap Project. ISBN 978-0-9799587-1-7.

External links[edit]