hardMultiple ChoiceObjective-mapped

CRISC Practice Question: Refer to the exhibit

Exhibit

{
  "Policy": {
    "Version": "2012-10-17",
    "Statement": [
      {
        "Effect": "Allow",
        "Action": "*",
        "Resource": "*"
      }
    ]
  }
}

Refer to the exhibit. What risk is introduced by this IAM policy?

⚠ Common exam trap

The trap here is that candidates may focus on the absence of encryption or logging keywords in the policy, but the core risk is the overly broad action and resource scope, which is a classic excessive permissions vulnerability.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Excessive permissions

The IAM policy grants `s3:*` actions on all S3 resources (`"Resource": "*"`), which allows any user or service assuming this role to perform any S3 operation, including deleting buckets, modifying permissions, or accessing all objects. This violates the principle of least privilege and introduces the risk of excessive permissions, as the policy does not restrict actions or resources to only what is necessary for the intended function.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
Misconfigured encryption
Why it's wrong here
The policy does not cover encryption settings; it only defines permissions.
✗
Lack of logging
Why it's wrong here
Logging configuration is not part of this policy definition.
✓
Excessive permissions
Why this is correct
The policy grants full access to all resources, creating a risk of privilege abuse.
✗
Weak authentication
Why it's wrong here
Authentication mechanisms are not specified in this policy.

Quick reference

AWS S3 Storage Class Comparison

Storage Class	Min Duration	Retrieval	Use Case
S3 Standard	None	Immediate	Frequently accessed data
S3 Standard-IA	30 days	Immediate	Infrequent access, rapid retrieval
S3 One Zone-IA	30 days	Immediate	Non-critical infrequent data
S3 Intelligent-Tiering	None	Immediate–hours	Unknown or changing access patterns
S3 Glacier Instant	90 days	Milliseconds	Archive with instant retrieval
S3 Glacier Flexible	90 days	Minutes–hours	Archive, flexible retrieval
S3 Glacier Deep Archive	180 days	Hours	Long-term compliance archive

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CRISC Practice Question: Refer to the exhibit

Exhibit

Why each option matters

Option-by-option breakdown

AWS S3 Storage Class Comparison

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