What is SIEM? The Ultimate Guide.

  • deepti

  • Nov. 12, 2019, 9:07 a.m.

Security Information and Event Management Software (SIEM) is not a new concept for business owners. The software has been in existence for over a decade, all the while making headway into developing better versions, providing comprehensive security solutions to enterprises. Initially evolving from a log management discipline, SIEM combines Security Event Management (SEM) with Security Information Management (SIM) to take the present technological form.

SEM component of this technology works by examining the event and log data in real-time which is then employed for threat monitoring, finding event correlation and organizing an incident response. This works in constant correspondence with SIM which assembles, analyzes, and reports on log data.

How does SIEM work in implementing cybersecurity?

The SIEM tool has become a fundamental approach to ensuring cybersecurity for businesses. It is not just an agent but a multitude of diverse tools monitoring and analyzing various data sets. SIEM functions by gathering data and then converting events and log entries into usable information by utilizing statistical correlations. While other security tools present information, SIEM helps to extract real value from them by making the data accessible to the incident response team.

SIEM enables Incident Response Teams with security information through:

  1. Collection of data from various sources
  2. Consolidation of log and event entries for analysis of security abnormalities
  3. Specifically pinpointing the actual security breach so that the team can investigate the issue and resolve it.

Is Open Source SIEM worth it?

SIEM has been a standard tool for handling cybersecurity operations for larger enterprises for a while now. But for small businesses, looking for SIEM vendors who implement SIEM would mean a huge investment. Open source SIEM looks compelling to these businesses because of its lower licensing cost and affordable features.

Comparison Between SIEM Open Source and Enterprise-grade SIEM

Open source SIEM is specifically designed to support small and medium-sized businesses with basic security analysis features. With the primary features of open source SIEM, organizations that have started to log and monitor security incidences can benefit significantly. SIEM open source enables them to lessen initial security software licensing costs and assess their business's security information before they can decide on expanding their investments on cybersecurity.

There are, however, several limitations to employing open source SIEM among businesses:

1 Sometimes, even the best open source SIEM technology does not provide essential SIEM features like reporting and remote accessibility and management of log data.

2 Open source SIEM allows businesses to save costs initially but it needs regular maintenance which is both expensive and labor-intensive.

3 The maintenance efforts for a SIEM open source keeps increasing as the size of the organization grows.

4 Deploying the best open source SIEM needs experienced and expert security professionals who can also devote a significant amount to time to the cause. For smaller organizations, this could be an issue.

5 Even if organizations invest in the best open source SIEM, it is not a must that the SIEM open source will manage or even provide with storage features. For the massive volumes of data that businesses deal with daily, this is an important concern.

Enterprise-grade SIEM comes with advanced management of security information that can handle and monitor large scale data which can then be centrally configured to resolve issues. Only enterprise-grade SIEM provides the features of next-generation SIEM. So, even though this might not be as cost-effective as open source SIEM, investing in this advanced security technology can prove to be beneficial in the long run.

Implementing higher levels of business security is the need of the hour, considering how the frequency of cyber-attacks has increased in this recent era of the internet. Choosing the right SIEM vendors for your business is the first step towards ensuring the cybersecurity of your organization. If you are looking for SIEM vendors, Anlyz provides a wholesome business security solution with Cyberal, a cognitive SIEM software powered by next-generation technologies for enterprise-level security.

How Cyberal from Anlyz Can Be Your One-Stop Solution to Better Business Security

Anlyz proves to be among the top SIEM vendors with Cyberal which is available in two distinct models to meet specific requirements of organizations.

1 The unique analytics module of Cyberal can be easily set up on existing SIEM of organizations which acts as the analytical tool to aggregate and produce data to distinguish known and unknown cyber threats. This operates as additional software to provide detailed insights from the already existing SIEM without rebuilding or overriding the available security information.

2 Cyberal from Anlyz is also designed to operate as a comprehensive and intelligent SIEM software. The tool acts as a sophisticated entity that has integrated User and entity behavior analytics (UEBA) abilities. These features empower business security professionals with advance visibility, threat detection, and examination capacities across the entire cybersecurity landscape.

Key features of Cyberal:

With a complete surveillance guide, users can benefit from insights through real-time intelligence features. This empowers security teams with contextual information to scrutinize and identify threats.

Cyberal is equipped with tactical and operational intelligence features that are highly scalable and allows users to protect systems based on priority and policy without facing any parametric constraints.

Threat intelligence platform of Cyberal allows users with access to the ultimate, complex and advanced threat landscape analysis by aggregating and presenting logs from an unlimited number of sources.


Inside the cybersecurity posture of enterprises, the latest SOAR technology seems to be more functional than the already existing SIEM platform. Organizations looking for SOAR vs SIEM options should understand that in reality, SOAR supplements SIEM, rather than replacing it.

SIEM searches from the haystack of security information, the exact incident that can give rise to a cyber-threat. It then alerts the security teams about the security incident and triggers an automated response.

SOAR takes up the response capabilities to the next level. It raises a ticket in the incident tracking system by automatically providing data and contextual insights to the security team and arm them with diverse combat methods to deal with the security incident. SOAR systems promise to identify and initiate a firewall response providing security analysts with the optimal path needed to identify, detect and analyze threat incidents.

In conclusion, building a robust enterprise security framework is a must for businesses who cannot risk exposing their sensitive data to cyber-attacks. Investing in a reliable enterprise-grade SIEM platform significantly enhances the cybersecurity landscape of the business.

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