AWS IAM policy changed

Classification:

compliance

Framework:

cis-aws

Control:

cis-3.4

Overview

Goal

Detect a change to an AWS IAM Policy.

Strategy

This rule lets you monitor CloudTrail and detect when any event pertaining to an AWS IAM policy is detected with one of the following API calls:

• DeleteGroupPolicy
• DeleteRolePolicy
• DeleteUserPolicy
• PutGroupPolicy
• [PutRolePolicy]
• PutUserPolicy
• [CreatePolicy]
• DeletePolicy
• CreatePolicyVersion
• DeletePolicyVersion
• AttachRolePolicy
• DetachRolePolicy
• AttachUserPolicy
• DetachUserPolicy
• AttachGroupPolicy
• DetachGroupPolicy

Triage & Response

1. Review the IAM Policy change and ensure it does not negatively impact your risk in relation to authentication or authorization controls.