The term zero trust architecture in security refers to a cybersecurity framework built on the principle of "never trust, always verify." In a zero trust model, no user or device, whether inside or outside the network perimeter, is trusted by default. Every access request undergoes rigorous verification, including identity checks, device security assessments, and continuous monitoring of user behavior. This approach minimizes vulnerabilities, enhances data protection, and effectively mitigates the risks posed by insider threats and external attacks.