Top 75 Security Tools

In May of 2003, I conducted a survey of Nmap users from the nmap-hackers mailing list to determine their favorite security tools. Each respondent could list up to eight. This was a followup to the highly successful June 2000 Top 50 list. An astounding 1854 people responded in ‘03, and their recommendations were so impressive that I have expanded the list to 75 tools! Anyone in the security field would be well advised to go over the list and investigate tools they are unfamiliar with. I discovered several powerful new tools this way. I also plan to point newbies to this page whenever they write me saying “I do not know where to start.”

Respondents were allowed to list Open Source or commercial tools on any platform. Commercial tools are noted as such in the list below. Many of the descriptions were taken from the application home page or the Debian or Freshmeat package descriptions. I removed marketing fluff like “revolutionary” and “next generation”. No votes for the Nmap Security Scanner were counted because the survey was taken on an Nmap mailing list. This audience also means that the list is slightly biased toward “attack” tools rather than defensive ones.

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