They often assume vaulting known admin accounts is enough, even when service accounts, local accounts and supplier credentials sit outside the workflow. That mistake leaves real privilege ungoverned and makes session logging only partially useful. Coverage has to start with discovery, then extend PAM to the accounts that actually carry risk.
Why PAM Coverage Breaks Down in Telecom Environments
Telecom teams usually do not miss PAM in theory, they miss it in scope. The control model is often built around obvious admin logins, but telecom estates also rely on service accounts, shared jump paths, vendor credentials, local break-glass access and platform-specific admin roles. If those identities are excluded, PAM becomes a partial wrapper around privileged activity rather than the governance layer for it.
The practical failure is discovery. If teams start with vaulting instead of inventorying where privilege actually exists, they protect the easiest accounts first and leave the operational ones untouched. That creates a false sense of coverage because the named admin users are controlled while the accounts that automate, integrate and maintain telecom systems remain outside the workflow.
Coverage also has to reflect how telecom platforms are operated, not just who owns them. The same environment may include network elements, orchestration tools, OSS/BSS platforms, cloud consoles and supplier-administered support paths. A PAM programme that cannot follow those privilege chains across domains will still allow high-impact actions, but with weaker review, weaker session visibility and weaker revocation discipline. NHIMG’s Privileged Access Management Guide is useful here because it frames PAM as a model for people and machines, not just named administrator accounts.
What “Real Coverage” Looks Like for Privileged Telecom Access
Real coverage means the programme begins with discovery of every account that can create material change, then assigns the right control pattern to each one. Some accounts need vaulting and rotation, some need just-in-time elevation, some need session brokering and recording, and some need tighter supplier governance before they should be allowed at all. A single mechanism rarely fits the whole estate.
That is why service accounts and local accounts matter so much. They often bypass the normal user lifecycle, are embedded in scripts or agents, and persist long after the original owner has moved on. NHIMG’s Service Account Security Guide reinforces the discovery and governance problem, while the Break-Glass and Emergency Access Account Guide covers the exception path that telecom operators still need when normal access fails.
Supplier credentials are the other common blind spot. Telecoms depend heavily on integrators, managed service providers and original equipment vendors, so a PAM design that stops at internal staff does not actually govern the full privilege chain. Session logging, approval rules and account ownership need to extend to those third-party paths, otherwise the risk is simply displaced into a less visible control plane. The most useful mental model is not “which admins are vaulted?” but “which identities can still alter production, and by what path?”
Why Session Logging Alone Does Not Close the Gap
Session logging is valuable, but it is not a substitute for coverage. If an account is never onboarded into PAM, the session may never be brokered, injected or recorded at all. Even when logging exists, it only helps if the privileged path was first brought under control and tied to an owner, a policy and a revocation process.
This is where many teams overestimate maturity. They treat recording as the control outcome, when it is really only one layer of evidence. The stronger control is the combination of discovery, authorization, elevation, and session oversight. NHIMG’s Privileged Session Management Guide is relevant because it shows that the session layer depends on the upstream PAM design, not the other way around.
Telecom teams should also be careful not to confuse “admin access exists” with “admin access is governed.” In many estates, local accounts on infrastructure and vendor support credentials can make changes without ever passing through a central PAM workflow. When that happens, the organisation has logging in some places, but not a defensible view of who can actually make privileged changes.
Risk and Threat Considerations
When pam coverage is incomplete, the main risk is not just policy noncompliance, it is ungoverned privilege that can be abused, forgotten or reused after the original purpose has passed. In telecom environments that can translate into unsupported administrative changes, weak accountability for supplier access and a larger blast radius if one credential is stolen or shared.
Failure mechanism: Privileged accounts outside the PAM workflow do not get the same discovery, rotation, approval, session control or revocation discipline, so access survives in places the team no longer watches. That creates a hidden control plane for both insiders and attackers.
Impact: The result is incomplete visibility into who can change critical systems, slower containment when access must be removed, and a higher chance that a compromised vendor or service credential becomes a production outage or lateral-movement path.
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 addresses the attack surface, NIST SP 800-53 Rev 5, CIS Controls v8 and NIST Zero Trust (SP 800-207) set the technical controls, and ISO/IEC 27001:2022 defines the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST SP 800-53 Rev 5 | IA-5 — Authenticator Management | Covers lifecycle control for the credentials telecom PAM relies on. |
| AC-6 — Least Privilege | Directly addresses overbroad privileged access and excessive telecom admin reach. | |
| AU-12 — Audit Record Generation | Supports the session logging and privileged activity evidence discussed in the answer. | |
| Recommendation — Apply IA-5 to govern issuance, rotation, protection and revocation of privileged credentials. Enforce AC-6 to restrict privileged actions to the minimum necessary access. Generate audit records for privileged sessions and administrative actions that affect critical systems. | ||
| ISO/IEC 27001:2022 | A.5.15 — Access control | Applies to governing who can access privileged telecom systems and accounts. |
| A.8.5 — Secure authentication | Applies because privileged access in PAM depends on reliable authentication. | |
| Recommendation — Define and enforce access control rules for privileged telecom access paths. Require secure authentication for privileged and supplier access paths. | ||
| CIS Controls v8 | CIS-5 — Account Management | Directly covers discovery, governance and removal of privileged accounts. |
| Recommendation — Inventory, control and remove privileged accounts that are no longer needed. | ||
| OWASP Non-Human Identity Top 10 | NHI-01 — Improper Offboarding | Relevant when privileged service or supplier accounts remain active after need ends. |
| NHI-05 — Overprivileged NHI | Directly aligns with service accounts and other non-human identities holding excess privilege. | |
| NHI-07 — Long-Lived Secrets | Applies when telecom PAM misses credentials that persist too long outside managed workflows. | |
| Recommendation — Remove or disable privileged non-human accounts when their operational need ends. Right-size non-human privileged access to the minimum required permissions. Rotate long-lived privileged secrets and shorten their useful lifetime. | ||
| NIST Zero Trust (SP 800-207) | AC-6 — Least privilege access decisions | Supports the need to control access dynamically across dispersed telecom privilege paths. |
| Recommendation — Use least-privilege policy decisions to limit privileged access paths and elevation. | ||
Practitioner Guidance
What to prioritise: Start with a full privilege inventory, then classify which accounts can actually change production, not which accounts are merely labeled “admin.” In telecom estates, that usually means service accounts, local accounts, break-glass paths and supplier access need to be reviewed before further vault expansion.
What to verify: Check whether every privileged account has an owner, an onboarding path, a rotation or expiry rule, and a recorded method of use. If any of those are missing, the account is functionally outside PAM even if it sits in a directory or vault.
Practitioner takeaway: PAM coverage is only real when discovery, governance and session control extend to the accounts that actually move the network, including non-obvious operational and supplier identities.
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Reviewed and updated by the NHIMG editorial team on October 11, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org