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Zero Trust

Zero Trust for India's Distributed Enterprise: Life After the VPN

Zero Trust for India's Distributed Enterprise: Life After the VPN

The VPN assumed one thing that is no longer true: that the network perimeter equals trust. As Indian enterprises went distributed, that assumption became the attacker's easiest path. Zero Trust replaces it with continuous verification.

The problem with implicit trust

A traditional VPN grants a user broad network access once they connect. If that account or device is compromised, the attacker inherits the same broad access and can move laterally. For organisations with thousands of remote employees and third-party contractors, that blast radius is unacceptable.

Zero Trust flips the model: no user or device is trusted by default. Every request is verified against identity, device posture, and context before access is granted, and only to the specific application required.

What changes in practice

With NetConnect ZTNA, access is brokered at the application level. A finance contractor reaches only the finance app, never the flat network. Device posture (patch level, disk encryption, EDR presence) is checked at every session, not just at login.

Latency stays low because access is direct-to-app, and there is no VPN concentrator to bottleneck. Crucially, when an account is disabled, access ends immediately everywhere.

A phased rollout that does not break Monday morning

You do not rip out the VPN on day one. Start by publishing two or three high-value internal apps through ZTNA for a pilot group. Validate device-posture policies, then migrate apps in waves and retire VPN access per-app as you go.

Keep the identity provider you already have. ZTNA layers on top of your existing IdP rather than replacing it.

The payoff

Reduced lateral-movement risk, faster onboarding and offboarding, and a clean audit story: every access decision is logged with the identity, device, and policy that allowed it.

Infographic

VPN trusts the network. Zero Trust trusts nothing.

LEGACY VPN ZERO TRUST (ZTNA) Trusted flat network One tunnel unlocks everything: lateral movement Verify identity + device App A hidden Per-session, per-app: no lateral path
A VPN places the user inside the network. ZTNA brokers one verified connection to one application, so a compromised endpoint cannot roam.
By the numbers

Phasing in ZTNA without a big-bang cutover

15%45%80%100% Quarter 1Quarter 2Quarter 3Quarter 4 Pilot teams VPN retired
Illustrative rollout. Start with a pilot group, run ZTNA alongside the VPN, then retire the tunnel once coverage is complete, with no disruption to 10,000+ users.

See it in your environment

Talk to a NetSense security architect about applying this to your stack.

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