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SIEM

Security incident and event management (SIEM) is the approach to monitoring, identifying, recording and analyzing events and incidents in real-time. It combines both, Security Information Management (SIM) and Security Event management (SEM) to provide a consolidated vision of your IT infrastructure.

Broadly speaking a SIEM monitors data across different channels and identifies deviances. When a potential issue is detected, a SIEM would typically search for additional information, create an alert and make security control recommendations. You can program a system with rules or use correlation logs to establish relationships between event log entries. Advanced SIEMs can include User and Entity Behavior Analytics (UEBA) and Security Orchestration and Automated Response (SOAR).

This system increases visibility of critical security threats and provides faster resolution for incidents. It provides an overall view with insights to voluminous incidents for your IT team to proactively investigate.

Originally adopted by larger enterprises that were driven by compliance, SIEM is now being implemented by smaller organizations as security threats become more rampant and advanced. The capability of being able to oversee and monitor data from all sources has made it easier for organization of all sizes to efficiently track security issues from a single view point.

SIEM

Benefits of SIEM system

Increase in efficiency, reporting, analysis and retention

A SIEM system can collate event logs from multiple networks and devices enabling you to identify potential issues more easily and speed up reporting and analysis. It also facilitates data retention for longer time periods so analysis and decisions can be made with more thorough data sets.

Cost savings

A quick response can reduce the financial costs associated with a security incident saving you hundreds and thousands of dollars.

Reduction in the impact of security events

By spotting and identifying security breaches early on, SIEM can dramatically reduce the impact of threats on your business.

Prevention of potential security breaches

Identifying a breach in its early stages can aid in remediation and prevent potential security breaches that could result in a domino effect.

Compliance

SIEM is a robust compliance tool that organizations can use to include in-built reports for compliance needs.

SIEM systems can have unique combinations of features and variations depending on the vendor. When acquiring a SIEM system, organizations need to thoroughly understand their security requirements in order to match a suitable SIEM to their needs. Analyzing what security features are important to them is a good start. Additionally, keeping price and easy integration into current reporting systems is crucial during selection. Finally, ease of future upgrade and ongoing maintenance are important considerations when choosing an appropriate SIEM system.

Splunk’s SIEM system is a robust system and has been rated by Gartner as a leader in its SIEM Magic Quadrant over the past few years. If you’d like to know more about Splunk’s SIEM system, read here.

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