SIEM (Security Information and Event Management) systems play a crucial role in helping organizations detect and mitigate cyber threats by aggregating, normalizing, and analyzing vast amounts of security data from various sources. These systems combine log management, security information management, and security event management to create a comprehensive security solution that provides real-time visibility, incident detection, and compliance with regulations like HIPAA, PCI DSS, and GDPR. By centralizing security data and employing correlation rules, SIEM systems enable analysts to identify potential breaches and respond proactively, offering a single-pane view of the IT environment. As cyber threats and compliance requirements continue to rise, SIEM systems are becoming a standard security approach for many organizations, providing essential tools for monitoring, auditing, and reporting. Future implementation of SIEM involves selecting the right tools and platforms, whether proprietary or open-source, to effectively integrate these systems into organizational infrastructures.