In an increasingly connected world, cyberattacks are becoming more frequent and costly, with cybercrime projected to reach $10 trillion by 2025. This has prompted organizations to shift from traditional security models, which focus on static network perimeters, to the zero trust model that assumes every user could be a potential attacker. The zero trust approach emphasizes "Never trust; always verify," requiring robust authentication and encryption strategies, and involves constant risk assessment and network segmentation to reduce vulnerabilities. It addresses threats such as reconnaissance, lateral movement, and ransomware by continuously verifying users and devices, minimizing the attack surface, and ensuring that access is tightly controlled based on specific business needs. This security framework encourages a cultural shift within organizations to improve data protection and manage access effectively, using tools like multifactor authentication and least privilege access. Zero trust is not just a technological solution but a comprehensive strategy to safeguard against evolving cybersecurity threats, ensuring that only authorized users access critical resources while reducing the risk of breaches.