MICROSOFT SENTINEL · AI-POWERED SOC · ARCHITECTURE v3.2

AI-Powered Security Operations Center

End-to-end architecture with Microsoft Sentinel · Azure AI · Automated Response.
Every component is linked to its official Microsoft Learn documentation for implementation guidance.

🌐
Data Sources
150+
📡
Events / Day
2.4B
⚡
MTTD
<3 min
🤖
Auto-Resolved
87%
🛡️
AI Accuracy
99.2%
◈ Full-Stack SOC Architecture · Data Flow Layers
Data Sources
🖥️
Endpoint Telemetry
Windows / Linux / macOS agents via MDE & AMA
MDESysmonAMA
📖 Deploy MDE
🌩️
Cloud Services
Azure, AWS, GCP logs via Diagnostic Settings & connectors
M365Azure AD
📖 Connect Cloud
🔥
Network Security
Firewall, IDS/IPS, NSG flow logs, NetFlow/IPFIX
CEFSyslog
📖 CEF / Syslog Ref
🏗️
Infrastructure
Servers, VMs, K8s, containers, Active Directory
ADK8s
📖 Configure Connectors
📱
SaaS & Apps
Salesforce, ServiceNow, GitHub, custom REST APIs
RESTOAuth
📖 SaaS Connectors
🌍
Threat Intel
MISP, TAXII/STIX feeds, MS Threat Intel Platform
STIXTAXII
📖 Threat Intel
Ingestion
🔌
Data Connectors
150+ native connectors, CEF/Syslog forwarders, custom DCR
DCRREST
📖 Data Connectors
⚙️
Event Hub / Kafka
High-volume streaming ingestion with back-pressure control
KafkaAMQP
📖 Azure Event Hubs
📐
ASIM Parsers
Normalization to ASIM schemas — DNS, Auth, Network, Process
ASIMKQL
📖 ASIM Overview
🗄️
Log Analytics Workspace
Hot/warm/cold tiers, Basic vs Analytics tables, ADX linkage
ADXLong-term
📖 Log Analytics
AI · SIEM · SOAR
SIEMSOARUEBA Threat IntelML ModelsKQL Engine
Central intelligence hub collecting signals from all layers. Correlates, enriches with threat intelligence, scores incidents via ML, and triggers automated playbooks.
🧠
Copilot for Security
NL queries, summarization, guided investigation, KQL generation
GPT-4oSkills
📖 Copilot Docs
👤
UEBA Engine
Behavioral baselines, anomaly scoring, peer group analysis
MLRisk Score
📖 UEBA Docs
🔍
Fusion ML
Multi-stage attack correlation across entities and time windows
FusionGraph
📖 Fusion ML Docs
📋
Analytics Rules
Scheduled, NRT, Fusion, Anomaly, Microsoft Security rules
KQLNRT
📖 Analytics Rules
⚡
Automation Rules
Triage, tagging, assignment, suppression, playbook triggering
Logic Apps
📖 Automation Rules
🗺️
Threat Hunting
Hypothesis-driven hunts, bookmarks, livestream, notebooks
JupyterKQL
📖 Threat Hunting
Response
🔄
Logic App Playbooks
Automated multi-step response workflows triggered on incidents
SOARHTTP
📖 Playbooks Docs
🚫
Identity Protection
Entra ID — disable user, force MFA, revoke sessions, reset PW
Entra IDMFA
📖 Entra ID Protection
🔒
Endpoint Isolation
MDE live response, network isolate, collect forensic artifacts
MDEEDR
📖 MDE Response Actions
🎫
ITSM Integration
ServiceNow, Jira, PagerDuty — auto-ticket creation & sync
ServiceNow
📖 ITSM Connector
💬
Notification Hub
Teams, email, Slack alerts with rich incident context
TeamsEmail
📖 Run Playbooks
☁️
Cloud Remediation
Block IP, revoke token, quarantine VM, update NSG rules
AzureNSG
📖 Cloud Remediation
Governance
📊
Workbooks & Dashboards
Executive, SOC ops, compliance, threat landscape views
PowerBIKQL
📖 Sentinel Workbooks
✅
Compliance Manager
ISO 27001, NIST, SOC2, PCI-DSS, HIPAA continuous posture
NISTPCI
📖 Compliance Manager
🎯
MITRE ATT&CK
Coverage map, gap analysis, rule-to-technique mapping
ATT&CKD3FEND
📖 MITRE Coverage
📁
Audit & Reporting
SIEM audit logs, retention policy, legal hold, eDiscovery
PurvieweDiscovery
📖 Audit Sentinel
◈ Incident Response Lifecycle · Automated Pipeline
01
Signal Detection
Raw events hit analytics rules & anomaly models
📖 Analytics Rules
02
Alert Generation
Enrichment with threat intel, UEBA risk score
📖 UEBA Enrichment
03
Incident Fusion
Fusion ML groups related alerts → incident
📖 Fusion Engine
04
AI Triage
Copilot scores severity, recommends response
📖 Copilot Triage
05
Auto-Response
Playbook executes containment & remediation
📖 SOAR Playbooks
06
SOC Review
Analyst validates, closes, feeds back to ML
📖 Investigate Incidents
07
Post-Mortem
Root cause, MITRE mapping, rule tuning
📖 MITRE Coverage
Live Incident Feed LIVE
CRITICAL
Possible Ransomware Activity — Lateral Movement Detected
INC-2024-4812 · T1021 · 14 entities · 2 min ago · Playbook: ISOLATE-ENDPOINT
HIGH
Impossible Travel — Privileged Account Login from 2 Countries
INC-2024-4811 · T1078 · UEBA Risk 94 · 7 min ago · Playbook: DISABLE-USER
HIGH
Azure Key Vault Mass Secret Exfiltration — Anomalous Access
INC-2024-4810 · T1552 · 312 reads in 60s · 15 min ago · Investigating
MEDIUM
Suspicious PowerShell Obfuscated Command Execution
INC-2024-4808 · T1059.001 · WIN-PROD-07 · 23 min ago · Auto-closed
LOW
Failed MFA Attempts — Spike above Baseline Threshold
INC-2024-4805 · T1110 · user@corp.com · 1 hr ago · Watching
SOC Performance Metrics
23
Open Incidents
2.8min
Avg MTTD
14min
Avg MTTR
87%
Auto-Resolved
MON
TUE
WED
THU
FRI
SAT
SUN
Incidents / Day — 7-day window
◈ Automated SOAR Playbooks · Key Response Workflows
01
🔴
Ransomware Response
  • Isolate infected endpoints via MDE API
  • Snapshot VM disks for forensics
  • Block C2 IPs at NSG & Firewall
  • Alert IR team via Teams + PagerDuty
  • Initiate backup restore workflow
📖 Playbook Guide
02
👤
Compromised Identity
  • Disable Entra ID account immediately
  • Revoke all active OAuth tokens
  • Force MFA re-registration
  • Audit recent sign-in activity
  • Notify manager + HR via email
📖 Entra ID Protection
03
☁️
Cloud Threat Response
  • Identify resource & subscription scope
  • Apply deny policy via Azure Policy
  • Revoke storage SAS tokens
  • Enable Defender for Cloud alert
  • Escalate to cloud security team
📖 Cloud Remediation
04
🌐
Phishing & Malware
  • Purge malicious email from all inboxes
  • Block sender domain via EXO rules
  • Scan attachments with Defender ATP
  • Identify all recipients & alert them
  • Submit URLs to Safe Links analysis
📖 Anti-Phishing
KO
Designed by
Kehinde Ogunlowo
Cloud Security Architect · AI Specialist · SOC Engineer
🤖 AI Specializations
kogunlowo123.github.io ⌥ GitHub Profile
github.com/kogunlowo123 🔗 LinkedIn
kehinde-ogunlowo 🏰 Citadel Cloud
citadelcloudmanagement.com