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PROFESSIONAL-CLOUD-SECURITY-ENGINEER · Question #348

Your organization's application is being integrated with a partner application that requires read access to customer data to process customer orders. The customer data is stored in one of your Cloud…

The correct answer is D. Implement a secret management service. Configure the service to frequently rotate the service. The primary risk of a compromised service account key is that an attacker can use it to exfiltrate data for as long as the key remains valid. Option D directly mitigates this risk: storing keys in a secret management service (like Secret Manager) and rotating them frequently…

Submitted by satoshi_tk· Apr 18, 2026Configuring access within a cloud solution environment

Question

Your organization's application is being integrated with a partner application that requires read access to customer data to process customer orders. The customer data is stored in one of your Cloud Storage buckets. You have evaluated different options and determined that this activity requires the use of service account keys. You must advise the partner on how to minimize the risk of a compromised service account key causing a loss of data. What should you advise the partner to do?

Options

  • AScan the Cloud Storage bucket with Sensitive Data Protection when new data is added, and
  • BDefine a VPC Service Controls perimeter, and restrict the Cloud Storage API. Add an ingress rule
  • CEnsure that all data for the application that is accessed through the relevant service accounts is
  • DImplement a secret management service. Configure the service to frequently rotate the service

How the community answered

(23 responses)
  • A
    4% (1)
  • B
    4% (1)
  • C
    9% (2)
  • D
    83% (19)

Explanation

The primary risk of a compromised service account key is that an attacker can use it to exfiltrate data for as long as the key remains valid. Option D directly mitigates this risk: storing keys in a secret management service (like Secret Manager) and rotating them frequently means a stolen key has a very short window of usefulness before it is invalidated. Frequent rotation is the industry-standard control specifically recommended when service account keys cannot be avoided. Option A (DLP scanning) protects data content but does not reduce the risk of a compromised key being used for access. Option B (VPC Service Controls) can limit network access paths but does not address key compromise directly. Option C is incomplete and vague. D is the most targeted and effective countermeasure for key compromise risk.

Topics

#Service Account Security#Secret Management#Key Rotation#Credential Management

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