Zero Trust Network Access (ZTNA) is a modern security approach that helps organizations protect users, devices, and data by requiring continuous verification before granting access to resources. Built on the principle of "never trust, always verify," ZTNA ensures that access is granted only to authorized users and only for the resources they need. Key best practices include enforcing least-privilege access, using multi-factor authentication (MFA) and cloud identity providers, and establishing compliance requirements to secure users and devices. ZTNA evaluates three critical factors before granting access: identity, security posture, and context. It verifies who the user is, confirms that the device meets security standards, and ensures the access request is appropriate for the user's role

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