Brook S.E. Schoenfield is the author of Secrets Of A Cyber Security Architect (Auerbach, 2019) and Securing Systems: Applied Security Architecture and Threat Models (CRC Press, 2015). Building In Security At Agile Speed (with James Ransome, Auerbach, 2021), focuses on software security for continuous development practices and DevOps. Brook helps clients with their software security and secure design practices. He mentors technical leaders to effectively deliver security strategy. He consults as a technical leader for True Positives, LLC and SEC Consult America’s holistic security architecture services. Previously, he led product security architecture at McAfee (Intel), Cisco Engineering, IT security architecture at Autodesk, and Web and Application security for Cisco Infosec. He is a founding member of IEEE’s Center for Secure Design and is a featured Security Architect at the Bletchley Park Museum of Computing. He is the originator of Baseline Application Vulnerability Assessment (BAVA), Just Good Enough Risk Rating (JGERR), Architecture, Threats, Attack Surfaces and Mitigations (ATASM) and developer-centric security. He contributed to Core Software Security (CRC Press, 2014), and co-authored The Threat Modeling Manifesto (2020), Avoiding the Top 10 Security Design Flaws (IEEE, 2014) and Tactical Threat Modeling (SAFECode, 2017).