Examkin

Question

Difficulty: EasyLog Analysis and SIEM Management

Place the core stages of the Security Information and Event Management (SIEM) log processing pipeline in the correct sequential order from initial intake to analyst notification.

  1. 1Log Collection
  2. 2Parsing and Normalization
  3. 3Event Correlation
  4. 4Alert Generation

Answer

The correct sequence for the SIEM log processing pipeline is Log Collection, followed by Parsing and Normalization, then Event Correlation, and finally Alert Generation.
The standard SIEM data ingestion workflow begins with raw Log Collection from enterprise systems. These logs undergo Parsing and Normalization so that events from diverse operating systems and security appliances fit a common data model. Once normalized, the SIEM executes Event Correlation across logs to detect complex multi-host attack patterns. When correlation threshold rules are met, the system performs Alert Generation to notify security analysts.

Step-by-Step Solution

1
Identify the initial data ingestion phase
Log Collection occurs first as raw logs must be collected from disparate endpoint and network sources before processing.
Downstream parsing and analysis tools require raw event data to operate.
2
Identify the data structuring phase
Parsing and Normalization occurs second to reformat incoming raw text logs into standard, structured fields.
SIEM engines require consistent field definitions across different log vendors to execute detection logic.
3
Identify the threat detection and analysis phase
Event Correlation occurs third to analyze structured logs against rule sets and baseline behaviors.
Correlation logic depends on pre-normalized fields to associate related events across different systems.
4
Identify the incident escalation phase
Alert Generation occurs last when correlation conditions indicate a potential security event.
Alerting informs analysts only after potential threat indicators have been identified and prioritized.

Key Concept

SIEM Log Processing Pipeline
Rate this question

Topics

Log Analysis and SIEM Management

More questions from this topic