Patrick Lloyd is a senior solutions architect for Cisco's Customer Experience Security Services team. He focuses on identity and access management, including segmentation, network access control, identity exchange, and identity integration in the Northeast United States and Canada region. Patrick has worked in technology delivery at Cisco for 13 years, ranging from stints in the technical assistance center (TAC), working as a routing and switching design engineer, security design engineer, and solutions architect. His focus is guiding customers through introducing visibility and identity exchange to minimize business risk and lateral attack vectors. Previously, Patrick worked in higher education and defense industries in system administration and operational roles. Patrick has extensive experience in integrating identity into various industries, including healthcare, manufacturing, finance, and defense. Utilizing Cisco technologies and the methodologies covered in this book to build a layered security model, Patrick has architected segmentation architectures, including smart building architectures, for more than 100 customers. Patrick's technology focuses span from TrustSec for segmentation, analyzing traffic flow with Cisco Secure Network Analytics/Stealthwatch for development of segmentation policies, implementing firewall and advanced malware protection, and securing critical building systems through policy and segmentation while maintaining availability. Patrick resides in Durham, North Carolina, where he teaches self-defense and is a student pilot when not consumed with technology.