Network Security Analyst
Nelson Murilo has been working as a Network Security Analyst since 1992. He is the author of two network security books in Portuguese, has published security guides and technical papers, and is also a regular contributor to the Brazilian Computer Emergency Response Team. Murilo is the author of open source security tools, such as Chkrootkit (locally checks for the presence of a rootkit) and Beholder (Linux Wireless IDS).
He is a regular speaker in Brazil and at international conferences such as Defcon, Thotcon, SAS Kaspersky, Ekoparty, MS Bluehat and Auscert.