What is siem,how many types of layers

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Accepted Answer

SIEM stands for Security Information and Event Management. It is a software solution that provides real-time analysis of security alerts.

SIEM collects and aggregates security data from various sources such as network devices, servers, and applications.
It uses correlation rules to identify potential security threats and generates alerts for further investigation.
There are three types of SIEM layers: data collection layer, analysis layer, and presentation layer.
The data collection layer collects security data from various sources and sends it to the analysis layer.
The analysis layer processes the data and generates alerts based on predefined correlation rules.
The presentation layer provides a user interface for security analysts to view and investigate the alerts.
Examples of SIEM solutions include Splunk, IBM QRadar, and McAfee Enterprise Security Manager.

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