Cortex XSIAM SIEM migration guide - Administrator Guide - Cortex XSIAM - Cortex - Security Operations

Cortex XSIAM Documentation

Cortex XSIAM
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Administrator Guide

Security information and event management (SIEM) systems have become an integral part of an organization's security infrastructure. They provide a centralized platform that enables the monitoring, detection, analysis, and response to potential security incidents. However, organizations may need to upgrade or change their SIEM system for various reasons, such as reliability, scalability, performance issues, or flexibility. This document outlines the process of migrating from one SIEM to another.

Pre-migration phase

Before migrating from one SIEM to another, it is essential to assess the current system's performance and capability, document the data sources, log collection mechanisms, and data retention policies. The assessment should include the completeness, accuracy, and relevance of the data collected and analyzed by the current SIEM. Not every data source in an existing SIEM should be migrated over. Some data sources have been added over time for specific use cases that could no longer be relevant to the risk profile of the organization. This evaluation will help identify the gaps, strengths, and weaknesses of the current system, which will be useful in selecting the new SIEM and preparing for the migration.

Selecting a new SIEM

Selecting a new SIEM involves identifying the organization's security requirements, the type of data collected, analysis techniques, size of the data, and the scalability of the platform. It is essential to compare various functionalities, features, licensing options, and integration capabilities of different SIEM solutions before selecting one. The new SIEM should fit the organization's needs and budget and offer better performance, scalability, and flexibility than the current one.