This checklist compares traditional VPN technology with Zero Trust Network Access (ZTNA) across security, flexibility, and management dimensions. VPNs rely on perimeter-based trust, expose network access points, and often provide broad access once connected. ZTNA applies a “never trust, always verify” model, granting application-level access based on continuous identity and device verification. The document highlights ZTNA advantages such as reduced attack surface, prevention of lateral movement, improved visibility, better cloud performance, clientless access, and stronger protection against ransomware and DDoS attacks.

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