Summary
Matt Klein is a cybersecurity executive with more than 25 years of IT and information security experience who now co-owns Big Fly Consulting and serves as COO of SideChannel, blending hands-on technical roots with strategic leadership. He has led enterprise security programs across healthcare, finance, and government—building vCISO practices, rapid microsegmentation deployments, and large-scale breach response efforts that balanced risk reduction with business outcomes. Known for transforming teams and programs, he combines pragmatic program design, metrics-driven vulnerability management, and executive communication to align security with organizational purpose. A former CISO and field CISO advisor, he has a track record of scaling security operations and creating partnerships with academic programs to grow talent—an often overlooked lever he uses to expand capacity without proportional headcount increases.
12 years of coding experience
18 years of employment as a software developer
Bachelor of Science (B.S.), Accounting, Bachelor of Science (B.S.), Accounting at La Salle University
Certificate, Cisco Network Professional, Certificate, Cisco Network Professional at Lanier Technical College