The 11 cheapest cybersecurity

The cheapest provider in the Top 11 Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026 is Microsoft Sentinel, followed by Splunk Enterprise Security.

Why this answer

Sorted by published starting price, lowest first. We use each provider's lowest documented price band; where pricing is undisclosed, the entry falls to the bottom of the list.

Showing the top 11 of 11+ screened. Methodology at /methodology.

  1. #1Microsoft Sentinel(rank #1 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Cloud-native SIEM with SOAR and free Microsoft logs.

    Full Microsoft Sentinel review · Compare: Microsoft Sentinel vs Splunk Enterprise Security · Alternatives

  2. #2Splunk Enterprise Security(rank #2 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Deepest search language and correlation engine.

    Full Splunk Enterprise Security review · Alternatives

  3. #3CrowdStrike Falcon Next-Gen SIEM(rank #3 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    SIEM built into the Falcon platform with fast search.

    Full CrowdStrike Falcon Next-Gen SIEM review · Alternatives

  4. #4Google Security Operations (Chronicle)(rank #4 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Massive retention at flat pricing with Mandiant intel.

    Full Google Security Operations (Chronicle) review · Alternatives

  5. #5Elastic Security(rank #5 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Search-driven SIEM at lower data cost.

    Full Elastic Security review · Alternatives

  6. #6IBM QRadar(rank #6 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Mature correlation and compliance for large SOCs.

    Full IBM QRadar review · Alternatives

  7. #7Exabeam(rank #7 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    UEBA and Smart Timelines for insider threat.

    Full Exabeam review · Alternatives

  8. #8Securonix(rank #8 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Cloud SIEM with a data lake and entity pricing.

    Full Securonix review · Alternatives

  9. #9Sumo Logic(rank #9 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Cloud SIEM sharing a platform with log analytics.

    Full Sumo Logic review · Alternatives

  10. #10Rapid7 InsightIDR(rank #10 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Curated detections and UEBA with low tuning.

    Full Rapid7 InsightIDR review · Alternatives

  11. #11Wazuh(rank #11 in Microsoft Sentinel vs Splunk Enterprise Security vs CrowdStrike Falcon Next-Gen SIEM: 11 Best SIEM Software 2026)

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    Free open-source SIEM and XDR you host yourself.

    Full Wazuh review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .