PAM and MFA under 23 NYCRR Part 500 now define baseline control

At a glance

What this is: This is a Delinea analysis of how 23 NYCRR Part 500 now treats PAM and MFA as baseline controls for regulated organisations, with annual certification and auditable privileged access oversight.

Why it matters: It matters because IAM, PAM, and compliance teams now have to prove that privileged access, MFA enforcement, and review cycles are operating as a governed control set, not a policy aspiration.

Context

23 NYCRR Part 500 has moved privileged access from a security preference into a compliance obligation for covered financial organisations. The regulation now ties identity controls to auditability, annual certification, and direct executive accountability, which means PAM and MFA have to be designed as evidence-producing controls rather than standalone hardening measures.

For IAM and PAM teams, the important shift is not only that access must be restricted, but that access decisions, exceptions, and monitoring must be provable under examination. That changes the operating model for privilege governance, third-party access, and exception handling across both human and non-human administrative paths.

Key questions

Q: How should security teams implement PAM for 23 NYCRR Part 500 compliance?

A: Security teams should treat PAM as a governed control programme, not a point product. That means scoping privileged accounts, enforcing least privilege, documenting annual access reviews, monitoring privileged activity, and producing evidence that auditors and executives can rely on when certifying compliance.

Q: Why do privileged accounts create so much compliance risk under Part 500?

A: Privileged accounts can change system state, access sensitive data, and bypass normal user boundaries, so they concentrate both security and regulatory exposure. Under Part 500, that makes their use, monitoring, and review central to proving the organisation has effective access controls.

Q: Where do MFA controls fail in regulated access environments?

A: MFA fails when it is placed only at initial authentication and not at the point where privilege is exercised. If elevation, server access, or proxied sessions are not also protected, the organisation still has an unverified path to administrative actions.

Q: What should organisations prove during annual certification of privileged access?

A: They should prove that privileged access is limited, reviewed, monitored, and tied to retained evidence that supports reconstruction of activity. Certification should show that the control is operating continuously, not merely that a policy exists on paper.

Technical breakdown

Why Part 500 turns privileged access into a control obligation

The Second Amendment to 23 NYCRR Part 500 moves privileged access governance into the regulatory core by requiring a formal PAM program for Class A entities, least-privilege access, annual access review, and monitoring of privileged activity. In practical terms, the rule treats privileged accounts as high-risk assets whose use must be limited, logged, and available for inspection. That changes PAM from an architecture choice into an accountable control layer that supports examination, incident analysis, and board-level reporting.

Practical implication: treat privileged access as a regulated control domain with ownership, evidence, and recurring review, not as an infrastructure convenience.

Why MFA has to exist at multiple control points

The blog highlights that MFA is expected not just at initial login, but also at session initiation, at the server boundary, and at privilege elevation. That matters because a single MFA checkpoint leaves gaps when credentials are reused, sessions are proxied, or privilege is escalated after the first authentication event. The control intent is to verify identity at the moment access is actually exercised, which is where many real-world misuse paths appear.

Practical implication: map MFA to each privileged access path, especially elevation and server-level entry, instead of assuming one upstream prompt satisfies the control.

How auditable privileged sessions support regulatory evidence

Part 500 places weight on audit trails that can reconstruct activity, support detection, and help explain what happened after an event. In PAM terms, that means command-level logging, session recording, and retained evidence for privileged work across hybrid environments. The mechanism is not simply surveillance; it is the creation of a control record that lets a regulated organisation show who accessed what, when, and under which approval or exception.

Practical implication: build privileged session recording and retention into compliance evidence generation, because auditability is now part of the control itself.

Breaches seen in the wild

• BeyondTrust breach 2024: A stolen BeyondTrust Remote Support API key let a China state-sponsored actor reset accounts and reach US Treasury workstations in 2024.
• Stryker Microsoft Intune Wiper Attack: Compromised Microsoft Intune credentials enable wiper attack wiping 200,000 Stryker devices.

Read and download The State of NHI & AI Agent Breach Report 2026, covering 200+ breaches impacting Non-Human Identities including AI Agents.

NHI Mgmt Group analysis

Part 500 converts PAM from a security programme component into a regulated accountability layer. The regulation does not merely encourage stronger privilege control; it requires governed, reviewable, and enforceable access management for covered entities. That means PAM must satisfy both security and evidentiary demands, with access decisions documented well enough for supervision and annual certification.

Regulatory MFA is only meaningful when it protects the actual privilege boundary. A single login checkpoint does not address elevation, server access, or proxy-mediated session initiation, which are the places regulated access is exercised. Practitioners should read the amendment as a requirement to secure the moment of use, not just the moment of authentication.

Auditable privilege is now part of the control, not just the report. Session logs, command records, and retained evidence are no longer operational extras that sit beside PAM. They are the proof mechanism for access governance, incident reconstruction, and senior officer attestation under a supervisory regime that expects demonstrable control.

Privileged access is now a board-visible compliance variable, not a backend administration task. When annual certification, exception handling, and regulatory penalties sit above the control plane, the programme has to be run with the same discipline as other material risk functions. The implication is that identity governance, audit, and security operations need a shared operating model.

Control visibility matters as much as control presence. A formal PAM deployment that cannot show who used privilege, where it was elevated, and how it was reviewed will still leave a compliance gap. Practitioners should treat evidence quality as part of the control design, because regulated access without defensible records is operationally incomplete.

From our research library:

• Only 36% of health IT leaders say their organisation applies a privileged access strategy consistently across the enterprise, according to Ponemon Institute research.

What this signals

Part 500 effectively moves identity governance into the supervision layer. For regulated organisations, PAM, MFA, and audit trails now have to survive examination, not just implementation. That means policy language alone is insufficient; practitioners need controls that can be demonstrated in production and repeated in evidence packages.

Regulated privilege now has to be observable at the moment of use. If elevation, session initiation, and server access are not all governed, the control is too shallow to satisfy the rule’s intent. The programme should be designed around the access path, not around a single authentication event.

For practitioners

• Implement a formal PAM programme for Class A scope Define the regulated population, map privileged roles and functions, and ensure least-privilege access is enforced across in-scope systems with documented annual review.
• Enforce MFA at every privilege boundary Require MFA not only at initial login but also at session start, server access, and privilege elevation so the control applies when access is actually used.
• Remove standing administrative rights where elevation is time-bound Replace persistent admin access with just-in-time elevation so privileged access exists only for the work being performed and is easier to monitor and certify.
• Retain privileged session evidence for audit and incident review Store session recordings, command logs, and exception approvals in a format that supports examination, internal investigation, and supervisory reporting.
• Align third-party privileged access with the same control standard Apply the same MFA, monitoring, and review expectations to vendor and contractor access so external privileged paths do not bypass the regulated control set.

Key takeaways

• 23 NYCRR Part 500 elevates PAM and MFA from good practice to compliance baseline for regulated entities.
• The practical risk is not only access abuse, but also the inability to prove access was controlled, reviewed, and logged.
• Teams that cannot show evidence for privileged use, elevation, and exception handling will struggle to defend compliance.

Key terms

• Privilege Access Management: Privilege Access Management is the discipline of controlling and monitoring elevated access to critical systems and data. It governs how privileged accounts, credentials, sessions, and commands are issued, used, recorded, and revoked, so administrative power is limited, traceable, and aligned to policy, risk, and operational need.
• Multi-Factor Authentication: Multi-factor authentication requires two or more independent verification factors before access is granted. In practice, it reduces the chance that a stolen password alone will open a system, but it only works well when applied consistently across all high-risk access paths and identity types.
• Just-in-Time Access Request: Just-in-Time Access Request is a pattern that grants access only when it is needed and only for the duration required. It reduces standing privilege by making access temporary, policy driven, and task scoped. This approach is especially useful for contractors, sensitive systems, and short-lived operational work.
• Audit Trail: An audit trail is a record of who accessed a system, what they did, and when they did it. For PHI environments, it provides the evidence needed to investigate incidents, support breach determinations, and demonstrate that access was attributable to a specific identity or workflow.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an IAM programme, it is worth exploring.