Unexpected formatting of IAM policy

Severity
Low
Service
IAM
Check ID
IAM_UNEXPECTED_FORMAT

What this check finds

IAM policies can be written to do things that are unexpected. This catch-all issue identifies anything unexpected in a policy.

Passing looks like: IAM policies well-formed.

How to fix it

Review the flagged policy in the IAM console and simplify it to standard Allow/Deny statements with explicit Action, Resource, and Condition fields.

AWS console

IAM → Policies → select policy → Edit policy.

Compliance controls it is evidence for

A failing result counts against these controls in KloudLytics; a passing one is evidence towards them. How compliance mapping works

Compliance controls mapped to Unexpected formatting of IAM policy
FrameworkControls
NIST SP 800-53 Rev5 (Moderate)
  • AC-6 Least Privilege
NIST Cybersecurity Framework 2.0
  • PR.AA-05 Access permissions and authorizations are enforced with least privilege
ISO/IEC 27001:2022 Annex A
  • A.8.2 Privileged access rights

Checked on every scan

KloudLytics runs this check each time it scans a connected AWS account, through a read-only role, and lists every affected resource with its region. On Pro and Business a fix is written for the specific resource rather than the general case above. The exact access it needs

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