Trent R. Hein is co-founder and Chief Executive Officer of AppliedTrust, an IT security and network/systems infrastructure consulting company based in Boulder, Colorado. Prior to co-founding AppliedTrust, Hein co-founded and served as Chief Technology Officer for XOR Inc. from 1991 to 2001. Hein is co-author of the best-selling Unix System Administration Handbook and Linux Administration Handbook and is a 10-year Cisco Certified Internetwork Expert (CCIE-10), #1941. He is also Certified Information Systems Security Professional (CISSP) #54481, with an Information Systems Security Management Professional (ISSMP) and Information Systems Security Architecture Professional (ISSAP) designation, as well as a Certified Supervisory Control and Data Acquisition (SCADA) Security Architect (CSSA) and a PCI Qualified Security Assessor (QSA). Hein holds a B.S. in Computer Science from the University of Colorado at Boulder.
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