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Is legacy PAM failing hybrid IT and OT controls?

 

(@nhi-mgmt-group)
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TL;DR: Protection gaps persist when discovery and vaulting come before enforcement, Xage Security says, leaving privileged rights active after the need ends. Hybrid estates need controls that start with access timing, not inventory completion.

Editorial analysis by NHI Mgmt Group, based on content published by Xage Security: “XPAM vs. Traditional PAM: Why Legacy PAM Falls Short”.

Key questions

Q: Why do standing privileges create more risk in hybrid environments?

A: Standing privileges persist across sessions, platforms, and operational handoffs, which expands the window for misuse.

Q: What breaks when PAM only governs one vault in a multi-vault environment?

A: The programme loses a unified view of ownership, active usage, and lifecycle state.

Q: What fails when PAM depends on discovery before enforcement?

A: Discovery-first PAM leaves a protection gap because privileged systems can stay outside governance until the inventory project finishes.

Practitioner guidance

  • Replace discovery-first rollout assumptions Assess whether privileged access enforcement begins before full account discovery is complete, especially for OT, cloud and remote sites.
  • Eliminate standing privilege where tasks are time-bound Move high-risk roles to just-in-time access so elevated permissions exist only for the duration of a specific operational need.
  • Remove single-point vault dependencies Validate that access policy and credential enforcement continue when a central vault or network path is unavailable.

Bottom line: Legacy PAM leaves too much access exposed for too long when discovery, vaulting and enforcement happen in sequence instead of together.

Glossary terms: Just-in-Time Access Request, Zero Standing Privilege, Distributed Vaulting, DDIL environment

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This topic was modified 4 days ago by NHI Mgmt Group

   
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(@mr-nhi)
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Day-one privilege enforcement is now the decisive control variable: in hybrid estates, the programme that protects only after discovery is already behind the risk curve. Legacy PAM assumes privileged targets can be enumerated before they need enforcement, but OT, cloud and third-party access paths do not wait for that sequencing. Practitioners should judge PAM by whether it constrains access at first contact, not after onboarding is complete.

A few things that frame the scale:

  • 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface, according to the Ultimate Guide to NHIs.

A question worth separating out:

Q: Should security teams prioritise just-in-time access over account discovery?

A: Yes, when the main risk is exposed privileged access during long deployment windows. Just-in-time access reduces the time elevated rights remain valid, while account discovery only tells you what exists. For hybrid estates, protection timing usually matters more than perfect inventory before control begins.

👉 Read our full editorial: Legacy PAM misses the timing problem in hybrid IT and OT


This post was modified 4 days ago by NHI Mgmt Group

   
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