Summary

This chapter provided insights into why and how Zero Trust has emerged as a cornerstone in contemporary information security practices. Beginning with its historical context, we traced the evolution of Zero Trust from its inception to the present day. As traditional perimeter-based security models become increasingly inadequate, the chapter illustrated the need for organizations to pivot to the Zero Trust model. Finally, the fundamental pillars that define and support Zero Trust were explored, offering you a comprehensive understanding of the pillars and the components that comprise the pillars. For more information on the topic of Zero Trust, refer the Cybersecurity and Infrastructure Security Agency’s Zero Trust Maturity Model, the Department of Defense Zero Trust Strategy and Roadmap, and the National Institute of Standards and Technology’s Zero Trust Architecture. The next chapter will discuss Cybersecurity Supply Chain Risk Management (C-SCRM). This topic...