Summary
Shaun Mccullough is a Cloud Security Architect and staff security engineer at GitHub with a career blending nearly 30 years of security architecture and operations experience and a decade of focused professional experience in cloud and DevSecOps. He has deep expertise in threat intelligence, analytic development, and cloud-native monitoring, and co-authored SANS SEC541 to teach hands-on attacker techniques, detection, and CTF-style labs. Shaun spent two decades building open-source tools and automation around MITRE ATT&CK and cyber operational services for the U.S. Department of Defense, giving him uncommon operational insight into red/blue/hunt workflows. Based in Gambrills, Maryland, he pairs practical engineering with curriculum development, bringing both classroom-tested detection strategies and production-hardened architectures to large private and government environments.
10 years of coding experience
20 years of employment as a software developer
Bachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at Virginia Tech
Master of Science, Information Security Engineering, Master of Science, Information Security Engineering at SANS Technology Institute