Stacey has more than 30 years’ experience analyzing, securing, designing and implementing such diverse systems as Microsoft Windows, Novell Netware, DEC VMS, IBM AIX, Solaris, SCO Unix, Linux, and MAC O/S and Cisco switches, routers and firewalls. He served as systems analyst for many software development projects using assembly language, C, dBase, Access, Visual Basic and Oracle. Bringing his real world experience to the classroom since 1999, his emphasis has been focused on security-related training. Whether in the classroom or through live online sessions, he enjoys sharing his depth and breadth of experience and his common sense approach to security, technology and business processes. He has delivered Train the Trainer events for several security programs and was awarded the CompTIA outstanding TTT Instructor award in 2018. Stacey is an authorized instructor for ISC2, Cisco, CertNexus, CompTIA, and EC-Council. Having held industry certifications since 1997, Stacey was one of the first 2000 people in the world to achieve MCSE certification for Windows 2000. His current certifications include CISSP, SSCP, CASP, CFR, CEI, CEH, ECSA, CHFI, CCNA, CCSI, CIoTP, CIoTSP, CTT+, LINUX+, PENTEST+, SECURITY+, A+, SCNP, ITIL Foundation, ITIL SO, ITIL OSA, MCSA, MCITP, MCTS, MCP+I.