Zero Trust Architecture (ZTA) has rapidly evolved from a theoretical cybersecurity framework to an essential pillar of modern enterprise security strategies. Rooted in the principle of "never trust, always verify," ZTA eliminates implicit trust and enforces strict access controls across users, devices, and applications. As businesses increasingly adopt cloud computing, remote work, and digital transformation initiatives, Zero Trust principles—such as least privilege access, continuous authentication, and micro-segmentation—have become vital in mitigating cyber threats. My experience implementing ZTA at Conagra Foodservice underscores its transformative impact, from reducing security incidents to strengthening compliance. While challenges such as legacy system integration and cultural resistance remain, organizations that embrace a phased, identity-driven approach can effectively navigate the transition, ensuring robust security in an ever-evolving threat landscape.