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Last updated: April 29, 2026
Sentinel = Microsoft’s SIEM. Cloud-native, KQL-based, integrates with Defender suite.
Sentinel = Microsoft’s SIEM. Cloud-native, KQL-based, integrates with Defender suite.
Architecture
- Log Analytics Workspace = data store
- Sentinel = analytics layer on top
- Connectors = data ingestion
- Workbooks = dashboards
- Analytics Rules = detections
- Playbooks = SOAR automation (Logic Apps)
Top connectors
- Entra ID
- Microsoft 365
- Defender XDR
- Azure Activity
- Azure AD audit logs
- Office 365
- AWS / GCP (multi-cloud)
- Custom CEF / syslog
KQL examples
// Failed sign-ins from impossible travel
SigninLogs
| where ResultType != 0
| summarize Countries = make_set(LocationDetails.countryOrRegion) by UserPrincipalName, bin(TimeGenerated, 1h)
| where array_length(Countries) > 1🧠
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