Cloud And Hybrid Infrastructure Security →easyMultiple ChoiceObjective-mapped

CPENT Cloud And Hybrid Infrastructure Security Practice Question

An AWS penetration tester discovers that an Amazon DynamoDB table contains sensitive PII stored in plaintext, and the table is encrypted using the default AWS owned key rather than a customer managed KMS key. What is the security recommendation?

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

✓

Migrate the table encryption to use AWS Customer Managed Keys (CMKs) in AWS KMS to gain granular auditing, rotation, and access control.

While AWS owned keys provide encryption at rest, migrating to customer-managed KMS keys provides finer access control, auditing, and key rotation capabilities.

Answer analysis

Option-by-option breakdown

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

✗
Disable TLS for all connections to the DynamoDB table.
Why it's wrong here
Disabling TLS reduces security by exposing data in transit.
✗
Convert the DynamoDB table into an unencrypted Amazon S3 bucket.
Why it's wrong here
S3 is not a NoSQL database and converting storage types does not improve security.
✗
Enable AWS WAF web ACLs directly on the DynamoDB table endpoint.
Why it's wrong here
WAF attaches to API Gateways, CloudFront, or ALBs, not DynamoDB tables.
✓
Migrate the table encryption to use AWS Customer Managed Keys (CMKs) in AWS KMS to gain granular auditing, rotation, and access control.
Why this is correct
CMKs offer advanced control, rotation, and auditing over AWS owned keys.

About these practice questions

One of 274 original CPENT practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →

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Written and reviewed by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

Last reviewed August 2026 · checked against the official EC-Council exam blueprint

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