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PROFESSIONAL-SECURITY-OPERATIONS-ENGINEER · Question #10

PROFESSIONAL-SECURITY-OPERATIONS-ENGINEER Question #10: Real Exam Question with Answer & Explanation

The correct answer is A. Add principal.user.email != "[email protected]" to the rule condition to exclude the. The most accurate way to reduce false positives is to exclude the known trusted backup automation account by adding a condition such as principal.user.email != "backup- [email protected]". This keeps the rule active for all other accounts, ensuring you still detect suspicious or mal

Question

A Google Security Operations (SecOps) detection rule is generating frequent false positive alerts. The rule was designed to detect suspicious Cloud Storage enumeration by triggering an alert whenever the storage.objects.list API operation is called using the api.operation UDM field. However, a legitimate backup automation tool that uses the same API, causing the rule to fire unnecessarily. You need to reduce these false positives from this trusted backup tool while still detecting potentially malicious usage. How should you modify the rule to improve its accuracy?

Options

  • AAdd principal.user.email != "[email protected]" to the rule condition to exclude the
  • BReplace api.operation with api.service_name = "storage.googleapis.com" to narrow the detection
  • CConvert the rule into a multi-event rule that looks for repeated API calls across multiple buckets.
  • DAdjust the rule severity to LOW to deprioritize alerts from automation tools.

Explanation

The most accurate way to reduce false positives is to exclude the known trusted backup automation account by adding a condition such as principal.user.email != "backup- [email protected]". This keeps the rule active for all other accounts, ensuring you still detect suspicious or malicious Cloud Storage enumeration while preventing unnecessary alerts from legitimate automation.

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A Google Security Operations (SecOps) detection rule is generating... | PROFESSIONAL-SECURITY-OPERATIONS-ENGINEER Q#10 Answer | NerdExam