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John M. Millican has been providing information consulting services since 1978. During this time, he has supported numerous versions of Unix,including AT&T, CTIX, SCO Unix, AIX, Unixware, and Linux. John was the firstperson to earn all the GIAC Level 2 Certifications offered by the SANSInstitute.
He is certified by SANS GIAC for Intrusion Detection In Depth (GCIA);Advanced Incident Handling and Hacking Exploits (GCIH); Firewalls, VPNs, andPerimeter Protection (GCFW); Securing Windows (GCFW); Securing Unix (GCUX); andAuditing Networks, Perimeters, and Systems (GCNA). He is currently the chairmanof the SANS Unix Security Certification Board. John also assisted in thedevelopment of the SANS Security Essentials Bootcamp.