Compare the Top SIEM Software as of November 2025

What is SIEM Software?

SIEM software, or Security Information and Event Management software, is an integrated suite of applications used to monitor, analyze, detect, and respond to security threats. It collects data from multiple sources within a network such as network devices, operating systems, applications and databases. This data is correlated and analyzed in order to identify potential security threats. The SIEM then provides automated responses to these threats. This includes alerting the appropriate personnel on the threat as well as taking necessary action on compromised accounts or malicious activities. Furthermore, it can also provide reporting capabilities for compliance requirements such as audit logs. Compare and read user reviews of the best SIEM software currently available using the table below. This list is updated regularly.

  • 1
    IBM QRadar SIEM
    Market-leading SIEM built to outpace the adversary with speed, scale and accuracy As digital threats loom large and cyber adversaries grow increasingly sophisticated, the roles of SOC analysts are more critical than ever. Going beyond threat detection and response, QRadar SIEM enables security teams face today’s threats proactively with advanced AI, powerful threat intelligence, and access to cutting-edge content to maximize analyst potential. Whether you need cloud-native architecture built for hybrid scale and speed or a solution to complement your on-premises infrastructure, IBM can provide you with a SIEM to meet your needs. Experience the power of IBM enterprise-grade AI designed to amplify the efficiency and expertise of every security team. With QRadar SIEM, analysts can reduce repetitive manual tasks like case creation and risk prioritization to focus on critical investigation and remediation efforts.
  • 2
    Defense.com

    Defense.com

    Defense.com

    Take control of cyber threats. Identify, prioritize and track all your security threats with Defense.com. Simplify your cyber threat management. Detection, protection, remediation, and compliance, are all in one place. Make intelligent decisions about your security with automatically prioritized and tracked threats. Improve your security by following the effective remediation steps provided for each threat. Gain knowledge and advice from experienced cyber and compliance consultants when you need assistance. Take control of your cyber security with easy-to-use tools that can work with your existing security investment. Live data from penetration tests, VA scans, threat intelligence and more all feeds into a central dashboard, showing you exactly where your risks are and their severity. Remediation advice is included for each threat, making it easy to make effective security improvements. Powerful threat intelligence feeds are mapped to your unique attack surface.
    Starting Price: $30 per node per month
  • 3
    LevelBlue USM Anywhere
    Elevate your security with LevelBlue USM Anywhere, an advanced open XDR platform designed to scale with your evolving IT landscape and growing business needs. Combining sophisticated analytics, robust security orchestration, and automation, USM Anywhere offers built-in threat intelligence for quicker and more precise threat detection, as well as streamlined response coordination. Its flexibility is unmatched, with extensive integrations—referred to as BlueApps—that enhance its detection and orchestration across hundreds of third-party security and productivity tools. These integrations also enable you to trigger automated and orchestrated responses effortlessly. Begin your 14-day free trial now and discover how our platform simplifies cybersecurity.
  • 4
    VirtualArmour

    VirtualArmour

    VirtualArmour

    We’re here to help you navigate your cybersecurity journey. Since 2001, we’ve ensured a strong cybersecurity posture for every client through threat resolution and security recommendations in the pursuit of zero cyber risk. When people, processes, and technology work together, we can better protect our digital way of life. Resolve and remediate cybersecurity threats through full-cycle management. Actionable intelligence provides valuable insight for improving your cybersecurity posture. A single platform to unify your entire security stack. Detection, investigation, and resolution of your security alerts. Team of cybersecurity experts that bolster your existing security team or supplement light IT staff. Support and monitoring of your firewall and overall security. Prevention and visibility to protect you from a breach. Evaluation of your infrastructure for vulnerabilities and security gaps.
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