Siem — CompTIA CySA+ (CS0-003) Practice Questions
A Security Information and Event Management (SIEM) system aggregates log and event data from across an environment, correlates it against detection rules and threat intelligence, and surfaces prioritized alerts for analyst review. The CySA+ exam places heavy emphasis on SIEM use, covering log ingestion, rule creation, query techniques, and alert triage as core analyst competencies. Candidates must understand how to search SIEM data to reconstruct attack timelines, identify affected assets, and determine the scope of an incident. The exam also tests knowledge of SIEM limitations, including the need for quality log sources, accurate asset context, and ongoing tuning to maintain detection effectiveness.
Free questions on siem
A SIEM system detects that a database administrator account has been used to run unusual queries outside normal business hours, accessing sensitive customer data. What should the analyst investigate FIRST?
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