You audit it by identifying every IAM user, group and role attached to the policy, then confirming who needs only read access to Access Analyzer data. Review whether the policy is attached directly or inherited, and whether a narrower permission set is sufficient. Remove unnecessary attachments and recheck after identity or role changes.
What it means to audit this AWS managed policy
Auditing who holds AWS IAM policies and roles starts with inventory, not assumptions. The policy can be attached directly to a user, group, or role, or inherited through group membership or role assignment. The key question is whether each attachment still reflects a real operational need, because managed policies tend to persist long after the access was originally justified.
In practice, the audit is about effective access, not just the attachment list. A role with this policy may be perfectly acceptable if it is the standard read path for Access Analyzer visibility, but the same policy on a human user or a broad admin group may indicate unnecessary standing access. The right review target is the smallest set of principals that genuinely need read-only access to analyzer findings and related data.
If you already have a wider identity review process, this policy should be treated as one line item in that review rather than as a one-off exception. That is especially important when role design, group membership, or delegated administration changes over time, because attachments that once looked narrow can become broad through inheritance or reuse.
How to verify direct versus inherited access
Start by enumerating all identities and groups that reference the policy, then trace each path to the effective principal. A direct attachment is easy to spot, but inherited access is often the real source of exposure because it hides behind a group or role template. For roles, confirm whether the policy is attached to a reusable role, a cross-account role, or a workload role that may be assumed by more than one actor.
The next step is to decide whether the permission scope matches the job function. A read-only policy for Access Analyzer data should normally support review and investigation, not broad operational change. If a principal only needs to inspect findings periodically, a narrower role or a time-bound access path may be better than a permanent managed policy attachment. NHIMG’s Cloud PAM and CIEM Guide is useful here because it frames the audit as effective-permission reduction, not just policy enumeration.
Reviewing the attachment graph also helps you catch stale access. A policy that looks harmless in isolation can still be unnecessary if the role has not been used recently, the team has changed ownership, or the analyzer data is no longer consumed by that principal. That is why audit evidence should include both the attachment and the business justification that keeps it in place.
What to remove, narrow, or reassess after the audit
Once you know who has the policy, compare the current attachment set with the smallest workable access model. Remove direct attachments that are no longer justified, break inherited access where the whole group does not need it, and replace broad roles with narrower ones where possible. If the policy is attached to a service role, check whether the workload still needs that read path or whether the responsibility moved elsewhere.
When a principal still needs visibility, keep the access but tighten the surrounding control plane. That can mean moving from a general-purpose role to a purpose-built review role, separating human review access from automation, or using a different role for periodic audits than for day-to-day operations. The broader point is to align the attachment with actual review duty, not convenience.
NHIMG’s AWS IAM Policies and Roles Guide helps connect that decision to policy evaluation logic, role chaining, and permission boundaries, which are often the mechanisms that make an apparently small attachment much broader than it first appears. That is why this audit should include the path by which access is granted, not only the policy name.
Risk and Threat Considerations
Overbroad read access to Access Analyzer data can reveal the shape of your cloud permissions, exposed trust paths, and potentially sensitive governance information about how identities are wired together. That may not be a direct control-plane compromise, but it can materially improve an attacker’s recon and privilege-escalation planning if the attachment sits on a principal that should not see that data.
Failure mechanism: The policy remains attached through a stale group, reusable role, or inherited permission path after the original business need has disappeared. In many environments, the failure is not the managed policy itself, but the fact that nobody revalidated whether the principal still needs that visibility.
Impact: Unnecessary access increases blast radius, weakens least-privilege discipline, and can expose sensitive authorization structure to more identities than intended. Over time, that makes both insider misuse and external abuse more likely to succeed if one of those principals is compromised.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
CIS Controls v8, NIST SP 800-53 Rev 5 and CSA Cloud Controls Matrix set the technical controls, while ISO/IEC 27001:2022 defines the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| CIS Controls v8 | CIS-5 — Account Management | Auditing policy holders is an account and access review control. |
| Recommendation — Review all principals holding the policy and remove unnecessary access. | ||
| NIST SP 800-53 Rev 5 | AC-2 — Account Management | The audit checks who is assigned access and whether it remains justified. |
| AC-6 — Least Privilege | The question centers on narrowing access to only what is needed for review. | |
| Recommendation — Inventory all attached principals and deprovision obsolete access paths. Reduce the policy to the smallest set of principals that truly need it. | ||
| ISO/IEC 27001:2022 | A.5.18 — Access rights | This is a review of who holds access rights and whether they remain appropriate. |
| Recommendation — Reassess access rights and revoke any attachment that lacks current need. | ||
| CSA Cloud Controls Matrix | IAM — Identity and Access Management | Cloud IAM governs policy assignment, inheritance, and entitlement review. |
| Recommendation — Validate entitlement ownership and inherited access in the IAM control set. | ||
Practitioner Guidance
What to verify: Verify the effective principal, not just the attachment record. A clean audit should answer who has the policy, why they have it, whether the attachment is direct or inherited, and whether the same job can be done with a narrower role.
Common mistake: Treating a managed policy as acceptable because it is “read only.” Read-only access can still be too broad when it exposes sensitive inventory, trust relationships, or governance data that should be limited to a small review population.
Practitioner takeaway: The strongest audit result is not proving the policy exists, it is proving that every remaining attachment is still justified, narrowly scoped, and revalidated after role or ownership changes.