Cybersecurity and Response Planningintermediate
Arrange the steps in the correct chronological order by which a SIEM uses event correlation to detect and handle a complex attack pattern.
Answer
Ingest security logs and telemetry from diverse enterprise sources, Normalize and correlate events across the collected data streams, Identify anomalous multi-source patterns that warrant security alerts, Investigate the correlated threat findings and execute incident response
Explanation
### The order
1. **Ingest logs and data from diverse sources.** Correlation requires information to be collected first.
2. **Examine relationships among the collected records.** The SIEM compares information to find connections.
3. **Identify a possible pattern that warrants investigation.** Relationships can reveal a potential attack pattern.
4. **Use the resulting visibility to support faster detection and response.** Teams use the finding to investigate and act.
### The concept
A SIEM's benefit comes from combining evidence and finding relationships across sources. A discovered pattern is a detection lead that analysts assess, not automatic proof of an incident.
### Terms
- **Correlation**: Examining records for meaningful relationships.
- **Security Information and Event Management (SIEM)**: A system that collects and correlates security information.
### Remember
Collect first, correlate second, then investigate and respond to the pattern.
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