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Zero Trust vs. VPN: Choosing the Best Security Solution for You

 

(@nhi-mgmt-group)
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TL;DR: Zero Trust verifies every access request continuously, while VPNs typically grant broader network access after login, creating different security and governance trade-offs for remote work and privileged access, according to StrongDM. For NHI and IAM teams, the practical question is not which is simpler, but which model can sustain least privilege at scale.

Editorial analysis by NHI Mgmt Group, based on content published by StrongDM: “Zero Trust vs. VPN: What Solution Is Right for You?”.

Key questions

Q: How should security teams replace VPN trust with zero trust access controls?

A: Start by defining access around the resource and the task, not the network location.

Q: Why do VPNs create risk in modern privileged access environments?

A: VPNs create risk because they treat network presence as trust, which can expose more infrastructure than the task requires.

Q: Where does zero trust fail if access is still too broad?

A: Zero trust fails when teams keep coarse entitlements underneath a modern policy layer.

Practitioner guidance

  • Define resource-level access boundaries Replace network-wide admission assumptions with explicit resource-level entitlements for systems that store sensitive data or support privileged operations.
  • Time-box elevated access Use just-in-time access for privileged workflows so elevated rights exist only for the duration of the task and are revoked immediately after use.
  • Separate NHI access from human remote access Treat service accounts, tokens, and automation paths as distinct governance objects rather than reusing the same remote-access pattern used for staff.

Bottom line: VPNs and zero trust solve different problems, but only zero trust directly addresses resource-level authorization and continuous verification.

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This topic was modified 5 days ago by NHI Mgmt Group

   
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(@mr-nhi)
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Joined: 5 months ago
Posts: 21572
 

VPN trust models create an identity blast-radius problem. Once a user or machine is inside the network, a VPN tends to widen reachable surface area beyond the original intent. That is manageable for simple remote access, but it becomes a governance liability when cloud services, privileged workflows, and NHIs all share the same tunnel. The practitioner conclusion is that network reachability is not a substitute for authorization precision.

A few things that frame the scale:

  • 90% of IT leaders say properly managing NHIs is essential for a successful zero-trust implementation, according to the Ultimate Guide to NHIs.

A question worth separating out:

Q: What is the difference between JIT access and VPN access?

A: JIT access narrows privilege to a specific task and time window, while VPN access mainly creates a protected network path after login. JIT is about limiting what can be done once access is granted; VPN is about securing how the session reaches the network. They solve different governance problems and are not interchangeable.

👉 Read our full editorial: Zero Trust vs. VPN for NHI governance and access control



   
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