Microsoft Sentinel is a scalable, cloud-native security information and event management (SIEM) solution built on Azure.
Key capabilities
- Log collection: Ingest data from Azure, Microsoft 365, and third-party sources.
- Analytics rules: Detect threats using built-in and custom rules.
- Incidents: Correlate alerts into actionable incidents.
- Hunting: Proactive threat hunting with KQL queries.
- Automation: SOAR playbooks using Logic Apps.
- Workbooks: Visualization and reporting dashboards.
Data connectors
- Microsoft services (Azure AD, Defender, Office 365).
- Cloud platforms (AWS, GCP via connectors).
- Security products (firewalls, EDR, identity).
- Custom sources via API or syslog.
Integration with Azure security
- Microsoft Defender for Cloud alerts.
- Azure Activity Logs and diagnostics.
- Azure AD sign-in and audit logs.
- Microsoft 365 Defender incidents.
Pricing model
- Pay-per-GB ingested data.
- Commitment tiers for volume discounts.
- Free data sources (Azure Activity, Office 365).
Best practices
- Start with Microsoft data sources (free tier).
- Tune analytics rules to reduce false positives.
- Use automation playbooks for common responses.
- Implement hunting queries for proactive detection.
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