TL;DR: Arcon shows that access attempts outside conventional PAM can bypass monitoring, logging and enforcement, leaving critical endpoints exposed even when privileged access processes are in place. Endpoint security now depends on seeing and controlling attempts that occur beyond the managed path, not only the sessions that enter through it.
At a glance
What this is: NHI Mgmt Group's analysis, drawing on Arcon's blog post: Endpoint access attempts that fall outside conventional PAM can evade visibility and enforcement, creating a governance gap for critical systems.
Why it matters: IAM, PAM and endpoint security teams need controls that cover access paths outside the managed workflow, especially where contractors, regulated systems and merger activity expand the attack surface.
👉 Read Arcon's analysis of endpoint access security beyond conventional PAM
Context
PAM controls are only as strong as the access paths they actually see. When an endpoint connection arrives outside the managed workflow, the control plane can miss the attempt even if the target system is sensitive and the user is familiar.
This creates a governance problem for organisations that rely on privileged workflows alone. Contractors, integration work, and changed operating models can produce legitimate and illegitimate access attempts that never pass through the same checkpoints, so visibility and enforcement need to extend beyond the usual boundary.
Key questions
Q: How should security teams handle endpoint access that bypasses normal PAM workflows?
A: Endpoint access that bypasses normal PAM workflows should be forced back through a governed workflow with strong authentication, session brokering, approval, and recorded access paths. Direct local admin use, shared credentials, and unmanaged jump points create unreviewed privilege, so controls must still bind each request to an accountable identity and audit trail.
Q: Why does monitoring privileged access attempts not fully solve the security problem?
A: Monitoring privileged access attempts does not fully solve the security problem because monitoring detects activity after access is requested or used, but it does not stop misuse, credential abuse, or unauthorised elevation. Security teams still need preventative controls such as approval gates, least privilege, session control, and restricted credential exposure.
Technical breakdown
How outside-PAM access attempts escape normal control paths
Traditional PAM assumes privileged sessions begin inside an approved workflow, then inherit monitoring, logging and policy enforcement from that point onward. Outside-PAM attempts break that assumption by arriving directly at the endpoint, which means the security team may see the target system but not the expected control context around the session. The issue is not only whether access is authorised, but whether the attempt is even observable as part of the privileged access programme. That makes endpoint-level metadata, origin details and session records materially important because they restore evidence that the core PAM path did not capture. See the Privileged Access Management Guide.
Practical implication: Treat endpoint access visibility as a separate control surface from your central PAM workflow.
Why restriction and monitoring solve different parts of the same problem
Monitoring tells you that an access attempt happened, while restriction stops the attempt from becoming an active connection. Those are not interchangeable functions. Monitoring supports detection, triage and audit trails, but it still leaves room for risky access paths to exist. Restriction moves the control earlier in the sequence by requiring authentication through the governed path before the endpoint accepts the connection. That distinction matters for third-party access and regulated systems, where evidence alone does not reduce exposure if the attempt is allowed to continue. See the Privileged Session Management Guide.
Practical implication: Separate detection requirements from enforcement requirements when designing endpoint access controls.
Breaches seen in the wild
- Azure Key Vault Contributor escalation 2024: Datadog found Azure Key Vault Contributor could add itself to access policies and read every secret, key and certificate in a vault.
- 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.
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
Outside-PAM access is a control-boundary problem, not just a logging problem. The article shows that privileged access governance can be technically correct inside the PAM workflow and still fail to cover the access paths that matter most. That leaves a blind spot where endpoint access can occur without the same identity, policy and audit context. Practitioners should treat this as a boundary-design issue in privileged access architecture, not as a narrow product feature question.
Access visibility without enforcement is incomplete governance. Recording an attempt after it happens helps investigations, but it does not stop the same class of access from recurring. In regulated or high-impact environments, that gap matters because the control objective is not only to know who tried to connect, but to ensure only approved paths can succeed. The practical conclusion is that endpoint protection needs both observability and pre-connection control.
Third-party and merger access expose the weakest assumptions in privileged workflows. External contractors and newly integrated users are exactly the groups most likely to fall outside habitual access patterns, which makes them the best test of whether PAM really governs the estate. When those cases rely on exceptions, manual review or informal process knowledge, the access model is already drifting. That is why endpoint access governance must be designed for non-standard paths, not just standard admins.
Identity programmes need a clearer endpoint-access blast radius model. A team may believe PAM encloses the risky part of the estate, yet the article shows the real exposure often sits one step outside that enclosure. JIT access and zero standing privilege reduces persistent privilege, but it does not by itself eliminate direct endpoint attempts that bypass the managed path. The implication is that governance must account for where access is attempted, not only who is entitled to hold it.
From our research library:
- Only 5.7% of organisations have full visibility into their service accounts, according to the Ultimate Guide to NHIs.
- Read next: Just-in-Time Access and Zero Standing Privilege Guide
What this signals
Access governance will keep failing if teams assume PAM coverage ends the moment a session leaves the managed workflow. The next control question is whether the organisation can see, classify and stop direct endpoint attempts before they become active access.
Outside-PAM exposure: the practical issue is not just unauthorised access, but unauthorised reachability. Endpoint programmes need a design that treats direct connection attempts as governed events, not as background noise, especially where contractors and regulated systems overlap.
For practitioners
- Map endpoint access paths outside PAM Identify which systems can be reached without passing through the standard privileged workflow, including contractor, integration and merged-environment paths.
- Separate monitoring from enforcement Define one control objective for detecting outside-PAM attempts and a second for blocking them before connection establishment.
- Require authentication before endpoint connection Make pre-connection authentication mandatory for critical endpoints so that direct access attempts cannot proceed on trust alone.
- Review third-party access as a privileged path Treat external contractor connections as governed access flows with evidence, alerts and revocation criteria, not as informal exceptions.
Key takeaways
- Endpoint access risk does not stop at the PAM boundary, because direct connections can evade the same controls that protect managed sessions.
- The article argues that visibility and blocking need to work together, since logging alone does not prevent risky endpoint access.
- Practitioners should inventory unmanaged endpoint paths and require pre-connection authentication for sensitive systems.
Related NHI Mgmt Group resources: Privileged Access Management Guide · Just-in-Time Access and Zero Standing Privilege Guide · Privileged Session Management Guide · Service Account Security Guide
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 and MITRE ATT&CK address the attack and risk surface, while NIST SP 800-53 Rev 5 and NIST CSF 2.0 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-05 — Overprivileged NHI | Outside-PAM paths create unmanaged privilege exposure at the endpoint boundary. |
| NHI-04 — Insecure Authentication | Requiring PAM authentication before endpoint access directly addresses weak entry controls. | |
| Recommendation — Map unmanaged endpoint access paths to NHI-05 and remove any direct connection route that exceeds intended privilege. Enforce NHI-04 by making pre-connection authentication mandatory for sensitive endpoints. | ||
| NIST SP 800-53 Rev 5 | IA-5 — Authenticator Management | The article centres on enforcing and tracking authenticators before endpoint access is allowed. |
| Recommendation — Use IA-5 to govern authentication requirements for all privileged endpoint connection paths. | ||
| NIST CSF 2.0 | PR.AA-05 — Access Permissions, Entitlements and Authorizations | Endpoint connection attempts must be authorised before they reach critical systems. |
| Recommendation — Apply PR.AA-05 to verify endpoint access permissions before a session is established. | ||
| MITRE ATT&CK | TA0006;TA0008 — Credential Access; Lateral Movement | Direct endpoint access can support credential abuse and movement across sensitive systems. |
| Recommendation — Hunt for TA0006 and TA0008 activity where direct endpoint connections bypass PAM oversight. | ||
Key terms
- Outside-PAM Access: Outside-PAM Access is access to systems that occurs without going through a privileged access management control or session broker. It usually means direct use of local accounts, shared credentials, remote tools, or scripts that bypass vaulting, approval, recording, and revocation controls.
- Privileged Access Management: Privileged Access Management is the discipline of controlling who can use powerful accounts and what they can do with them. It governs administrator and service access through least privilege, approval workflows, session controls, credential rotation, and auditing, reducing the risk of misuse, lateral movement, and unauthorized changes across systems.
- Endpoint Privilege Management: Endpoint privilege management is the control of what software can do on a workstation, including installation, elevation, and runtime behavior. In shadow AI environments, it becomes a way to discover and constrain local model runtimes, plug-ins, and binaries that might otherwise bypass standard software oversight.
- Pre-Authentication: Pre-authentication is the stage before a user, device, or service is fully verified and granted access. In identity security, this phase covers initial checks such as identifiers, challenge requests, and policy evaluation before credentials are accepted. Weak pre-authentication controls can expose systems to spoofing, enumeration, and unauthorized access attempts.
What's in the full article
Arcon's full blog post covers the operational detail this analysis intentionally leaves for the source:
- How Outside PAM Monitoring captures user identity, IP address, service type and access time for endpoint attempts
- How Outside PAM Restriction blocks unauthorised connections and requires authentication through the PAM path
- How the capabilities support audit readiness with detailed logs, reporting and investigation records
- How the same model applies across third-party access, healthcare, mergers and acquisitions and critical infrastructure
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.
Published by the NHIMG editorial team on October 30, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org