Brook is the Author of Secrets Of A Cyber Security Architect (Auerbach, 2019) and Securing Systems: Applied Security Architecture and Threat Models (CRC Press, 2015), co-author of Building In Security At Agile Speed (Auerbach, 2021) and contributing author to Core Software Security (CRC Press, 2014). Brook is a passionate security architect with decades of technical leadership experience. He currently provides security architecture leadership for three security consultancies, as well as being an advisor to True Positives, LLC and Resilient Software Security, LLC. providing both technical leadership and strategy to the consultancies as well as contributing to our clients’ holistic software security programmes and secure design/threat modeling efforts.