Should enterprises move from VPN to ZTNA?
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Yes, for most use cases. ZTNA (Zscaler, Cloudflare Access, Palo Alto Prisma) provides per-application access instead of full-network access, reducing lateral movement risk. VPN remains necessary for legacy applications and specific network-level access requirements.
What's the difference between VPN and ZTNA?
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VPN grants access to an entire network segment. ZTNA grants access to specific applications based on identity, device posture, and context. ZTNA is more secure (least-privilege) and better for remote work (no backhauling traffic through data centers).
How does enterprise VPN/ZTNA pricing work?
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Cisco AnyConnect: per-user perpetual or subscription licensing. Zscaler Private Access: per-user/year subscription, custom-quoted. Palo Alto Prisma Access: bandwidth-based + per-user. At 1,000+ users, expect $50K-$200K/year for the remote access layer.