Microsoft Sentinel Alternatives (2026)

Microsoft
Microsoft Sentinel
4.4 (289) · G2 8.1/10
From $4.3/GB ingested (PAYG, East US)
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Starting price
$4.3/GB ingested (PAYG, East US)
Free trial
31 days
Deployment
Cloud
Best for
Microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration

Our verdict

The top alternatives to Microsoft Sentinel are Wazuh, Blumira, Splunk Enterprise Security. Wazuh is the closest like-for-like option (4.5/5 (~59 G2 reviews), from $571/mo (Cloud, up to 100 agents)). People typically switch from Microsoft Sentinel over pricing model, complexity, or a missing capability — the table compares each alternative on exactly those axes.

  1. 1Wazuh

    ★ Editor's Choice 8.3 4.5 (59)

    Best for Teams wanting a free, open-source SIEM/XDR they can self-host (or run as managed cloud).

    • Open-source SIEM + XDR
    • Log analysis + file integrity monitoring
    • Vulnerability detection
    • Regulatory compliance (PCI
    Free trial Free version
    Visit Wazuh → From $571/mo (Cloud, up to 100 agents) Microsoft Sentinel vs Wazuh →

  2. 2Blumira

    8.1 4.6 (120)

    Best for Lean IT teams wanting easy SIEM + detection with a free tier.

    • Cloud SIEM
    • Automated detections + playbooks
    • 24/7 SecOps support
    • Honeypots
    Free trial Free version
    Visit Blumira → From Free tier available Microsoft Sentinel vs Blumira →

  3. 3Splunk Enterprise Security

    8.1 4.3 (222)

    Best for Large enterprises needing deep, mature SIEM with extensive integrations and log analytics.

    • Industry-leading SPL search + analytics
    • Risk-based alerting + correlation
    • 2
    • 800+ integrations
    Free trial Free version
    Visit Splunk Enterprise Security → From Custom quote Microsoft Sentinel vs Splunk Enterprise Security →

  4. 4Graylog Security

    8.1 4.4 (116)

    Best for Teams wanting SIEM-grade threat detection without Splunk-level cost or complexity.

    • Free open-source tier
    • SIEM with MITRE ATT&CK mapping
    • Sigma rules + UEBA + risk scoring
    • Pipeline-based enrichment
    Free trial Free version
    Visit Graylog Security → From $18000/yr (Security, 10 GB/day) Microsoft Sentinel vs Graylog Security →

  5. 5Sumo Logic

    8.1 4.3 (338)

    Best for Cloud-native teams wanting log analytics + Cloud SIEM with a credit-based consumption model.

    • Cloud-native log analytics
    • Cloud SIEM + Cloud SOAR
    • Credit-based flexible consumption
    • Real-time dashboards + alerting
    Free trial Free version
    Visit Sumo Logic → From Free tier available Microsoft Sentinel vs Sumo Logic →

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More alternatives detail

Teams usually move off Microsoft Sentinel for one of three reasons: pricing model, complexity, or a missing capability. The closest like-for-like options on the data we track are Wazuh, Blumira, Splunk Enterprise Security.

Frequently asked questions

What is the best alternative to Microsoft Sentinel?
Wazuh is the top-rated alternative in our data-weighted ranking (from $571/mo (Cloud, up to 100 agents)).
Why do people switch from Microsoft Sentinel?
Usually pricing model, complexity, or a missing capability. The table compares each alternative on exactly those axes.
Data as of June 1, 2026. Sources: azure.microsoft.com, g2.com. Figures are pulled from public vendor and security data and refreshed automatically.