Compare the Top SIEM Software for Linux as of October 2025

What is SIEM Software for Linux?

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 for Linux currently available using the table below. This list is updated regularly.

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    ConnectWise SIEM

    ConnectWise SIEM

    ConnectWise

    ConnectWise SIEM (formerly Perch) offers threat detection and response backed by an in-house Security Operations Center (SOC). Defend against business email compromise, account takeovers, and see beyond your network traffic. Our team of threat analysts does all the tedium for you, eliminating the noise and sending only identified and verified treats to action on. Built with multi-tenancy, ConnectWise SIEM helps you keep clients safe with the best threat intel on the market.
    Starting Price: $10 per month
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  • 2
    ManageEngine EventLog Analyzer
    ManageEngine EventLog Analyzer is an on-premise log management solution designed for businesses of all sizes across various industries such as information technology, health, retail, finance, education and more. The solution provides users with both agent based and agentless log collection, log parsing capabilities, a powerful log search engine and log archiving options. With network device auditing functionality, it enables users to monitor their end-user devices, firewalls, routers, switches and more in real time. The solution displays analyzed data in the form of graphs and intuitive reports. EventLog Analyzer's incident detection mechanisms such as event log correlation, threat intelligence, MITRE ATT&CK framework implementation, advanced threat analytics, and more, helps spot security threats as soon as they occur. The real-time alert system alerts users about suspicious activities, so they can prioritize high-risk security threats.
    Starting Price: $595
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  • 3
    Datadog

    Datadog

    Datadog

    Datadog is the monitoring, security and analytics platform for developers, IT operations teams, security engineers and business users in the cloud age. Our SaaS platform integrates and automates infrastructure monitoring, application performance monitoring and log management to provide unified, real-time observability of our customers' entire technology stack. Datadog is used by organizations of all sizes and across a wide range of industries to enable digital transformation and cloud migration, drive collaboration among development, operations, security and business teams, accelerate time to market for applications, reduce time to problem resolution, secure applications and infrastructure, understand user behavior and track key business metrics.
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    Starting Price: $15.00/host/month
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    Graylog

    Graylog

    Graylog

    Built on the Graylog Platform, Graylog Security is the industry’s best-of-breed threat detection, investigation, and response (TDIR) solution. It simplifies analysts’ day-to-day cybersecurity activities with an unmatched workflow and user experience while simultaneously providing short- and long-term budget flexibility in the form of low total cost of ownership (TCO) that CISOs covet. With Graylog Security, security analysts can: 1. Decrease risk and metrics like mean time to detect (MTTD) by aligning threat detection coverage to meet your security objectives 2. Reduce TCO with native data routing and data tiering functionality 3. Reduce key metrics like mean time to respond (MTTR) by quickly resolving the alerts that matter. Graylog Security is a robust, scalable solution that empowers analysts to detect and respond to cybersecurity threats efficiently. With integrated SOAR functionality, it automates repetitive tasks, orchestrates workflows, and accelerates incident response.
    Starting Price: $1550/month
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    Enginsight

    Enginsight

    Enginsight

    Enginsight is an all-in-one cybersecurity platform made in Germany, combining threat detection and defense capabilities. The features are: Automated security checks, pentesting, IDS/IPS, micro segmentation, vulnerability scans, and risk assessments. It empowers businesses of all sizes to effortlessly implement and monitor robust security strategies through an intuitive interface. Scan your systems automatically and immediately recognize the security status of your IT infrastructure. 100% self-developed (security by design) and has no dependencies on third-party tools. Permanently scan your IT environment for existing devices and create a live image of your IT infrastructure. Automatic detection and unlimited IP inventory of all network devices, as well as their classification. Enginsight provides a comprehensive solution for monitoring and securing your Windows servers, Linux servers and end devices such as Windows PCs or Linux . Start your 15 day free trial now.
    Starting Price: $12.99 per month
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    Logsign

    Logsign

    Logsign

    Logsign is a global vendor that specializes in providing comprehensive cybersecurity solutions that enable organizations to enhance their cyber resilience, reduce risk, and streamline security processes while decreasing HR and operational chaos. Logsign consistently offers an efficient, user-friendly, and seamless platform and employs the latest technologies to establish secure, resilient, and compliant environments while providing organizations with comprehensive visibility into their IT infrastructure, enhancing threat detection capabilities, and streamlining response efforts. In today's complex threat landscape, Logsign ensures that businesses have a robust cybersecurity posture in place, proactively safeguarding their systems, data, and digital assets. With a presence on four continents and a customer base of over 600 enterprises and governmental institutions as mentioned by Gartner SIEM Magic Quadrant two years in a row, Logsign also has high ratings on Gartner Peer Insight.
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