Zero Trust Network Access vs Legacy VPN

Network Design diagram · made in Skemio

Comparison network diagram illustrating a legacy VPN opening broad subnet access versus a ZTNA broker providing per-application reverse tunnels.

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What it shows

Legacy VPNs grant wide Layer 3 subnet access once perimeter auth passes.
ZTNA enforces continuous, identity-aware access per specific application.
ZTNA outbound reverse connectors keep internal assets hidden from the internet.

The takeaway

Legacy VPN connects users to whole networks; ZTNA securely brokers users only to approved applications.

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