Microsoft Sentinel
by Microsoft Corporation
Microsoft Sentinel is a cloud-native AI SIEM platform and SOAR solution built on Azure — one of the best SIEM platforms for Microsoft 365 and Azure environments, offering unlimited scalability, pay-as-you-go pricing, and native integration with the full Microsoft security ecosystem for leading hybrid and multi-cloud monitoring.
Starting Price
From $2.46/GB ingested (pay-as-you-go); Commitment Tier 100GB/day from $196/day; free for Microsoft 365 E5 data
G2
Gartner
Capterra
Ratings & Reviews
Key Features
- Cloud-Native SIEM + SOAR on Azure
- AI-Powered Threat Detection — Microsoft Security Copilot Integration
- 300+ Out-of-the-Box Data Connectors
- UEBA — User & Entity Behavior Analytics Built In
- Automated Investigation & Response (SOAR Playbooks)
- Fusion ML — Multi-Stage Attack Detection
- Microsoft Threat Intelligence (65T+ Daily Signals)
- Watchlists — Custom Threat Intelligence
- Workbooks — Custom Dashboards & Reporting
- Incident Management & Collaboration
- KQL Query Language — Powerful Investigation
- Leading NG-SIEM Platform for Hybrid and Multi-Cloud Monitoring
- Integration with Microsoft Defender XDR
Pros & Cons
Pros
- +Best SIEM platform for Microsoft 365 and Azure — native integration with zero data connector cost
- +Microsoft Security Copilot generative AI — natural language threat investigation without KQL expertise
- +Pay-as-you-go pricing eliminates upfront commitment — scales with actual usage
- +Leading ng-siem platform for hybrid and multi-cloud monitoring — AWS
- +GCP
- +Azure in one pane
- +Microsoft 365 E5 data ingestion free — massive cost saving for E5 subscribers
- +FedRAMP High authorized
- +890+ Gartner reviews — strongest social proof in SIEM category
Cons
- −Azure dependency — less value for non-Azure organizations
- −KQL query language required for advanced hunting — learning curve for non-Microsoft teams
- −Data egress costs from non-Azure sources can add up
- −Costs can escalate significantly for very high log volumes without proper commitment tier planning
- −Some advanced features require Microsoft 365 E5 or Defender XDR integration
Best For
Organizations running Microsoft 365 or Azure wanting the best SIEM platform that natively integrates with their existing Microsoft investments — delivering leading hybrid and multi-cloud monitoring with generative AI investigation at predictable, scalable pricing.
Target Audience
Enterprise, Mid-Market, Government, Education, Organizations running Microsoft 365 or Azure
Key Integrations
Competitor Tools
Pricing
Model
Pay-as-you-go per GB ingested ($2.46/GB) or Commitment Tiers (100GB/day from $196/day); free 90-day trial
Starting At
From $2.46/GB ingested (pay-as-you-go); Commitment Tier 100GB/day from $196/day; free for Microsoft 365 E5 data
Free Trial
Yes — 90-day free trial; Microsoft 365 E5 data ingestion free for SentinelCompany Info
Founded
1975
Headquarters
Redmond, WA, USA
Employees
228,000+
Company Size
All sizes — most cost-effective for Microsoft 365 E5 and Azure subscribers
Funding
Public (NASDAQ: MSFT) — Market Cap ~$3.2T (January 2026)
Certifications
Awards & Recognition
Gartner Magic Quadrant Leader — SIEM 2025 | Forrester Wave Leader — SIEM Q1 2026 | IDC MarketScape Leader — SIEM 2025 | SC Awards Best Cloud Security Platform 2025
Data sourced from G2, Gartner & Capterra · Verified by Firmographic