SIEM systems are pivotal for protecting IT environments from cyber attacks and ensuring compliance with evolving standards but finding an all-encompassing open-source SIEM solution remains elusive. Proprietary platforms like Splunk and AlienVault offer comprehensive solutions but can be costly, prompting interest in open-source alternatives. However, open-source options like OpenSearch, the ELK Stack, OSSEC, Snort, and others require significant time investment and technical expertise to integrate and manage effectively. Each tool offers distinct capabilities, such as intrusion detection, data visualization, or log management, but no single open-source product provides a complete SIEM solution. Companies like Logz.io aim to bridge this gap by combining open-source technologies with managed services to deliver robust, scalable, and user-friendly SIEM solutions. Despite the potential of open-source tools, commercial SIEM offerings continue to dominate the market due to their comprehensive features and ease of deployment.