ZDNet Australia: Nessus Security Tool Closes its Source

“The source code of one of the world’s most popular free
security tools will no longer be available to all, with its creator
stating its open source licence was fuelling competition against
his company.

“‘Nessus 3 will be available free of charge… but will not be
released under the GPL [General Public Licence],’ wrote Renaud
Deraison yesterday to the software’s e-mail mailing list.
Nessus–which Deraison claims is used by 75,000 organisations
worldwide–scans networks for vulnerabilities…”

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