Zero Trust Security is a modern cybersecurity framework that challenges traditional perimeter-based models by assuming no implicit trust in users, devices, or network connections, regardless of their location or past behavior. This approach emphasizes continuous verification and authorization for every access request, aimed at securing individual resources and minimizing the attack surface. Key principles include least privilege access, microsegmentation to prevent lateral movement within networks, and an "assume breach" mindset that focuses on detection and response. To effectively implement Zero Trust, organizations must focus on strong identity verification, device access control, and continuous trust evaluation, leveraging real-time analytics and adaptive access strategies. Benefits of adopting this model include enhanced security for remote and distributed workforces, improved breach detection and containment, and maintaining consistent security across cloud and hybrid environments. Zero Trust requires strategic alignment across the organization, integrating advanced tools and fostering a culture of security awareness to adapt to evolving threats.