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CAS-005 · Question #507

A security engineer must implement controls to limit access between developer endpoints and a cloud provider bucket for data storage. Developers routinely save sensitive files to the bucket as part…

The correct answer is C. Deploy an ACL on the virtual private cloud to avoid public access. Applying an ACL on the virtual private cloud to restrict bucket access ensures that sensitive files are not exposed publicly. This limits access to only authorized endpoints, reducing the risk of unintended data exposure while still allowing developers to use the storage…

Submitted by ricky.ec· Mar 6, 2026Security Architecture

Question

A security engineer must implement controls to limit access between developer endpoints and a cloud provider bucket for data storage. Developers routinely save sensitive files to the bucket as part of their projects. The security engineer must reduce the risk of unintended data exposure. Which of the following is the most appropriate control to implement?

Options

  • ARequire server-side encryption using a KMS in the cloud provider.
  • BImplement context-aware reauthentication to the local system.
  • CDeploy an ACL on the virtual private cloud to avoid public access.
  • DRestrict HTTP POST and PUT traffic to specific URLs at the proxy.

How the community answered

(54 responses)
  • A
    6% (3)
  • B
    13% (7)
  • C
    78% (42)
  • D
    4% (2)

Explanation

Applying an ACL on the virtual private cloud to restrict bucket access ensures that sensitive files are not exposed publicly. This limits access to only authorized endpoints, reducing the risk of unintended data exposure while still allowing developers to use the storage securely.

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