Microsoft Security MVP Published Author Conference Speaker MDO Champion

Pierre Thoor

Senior Cloud Security Architect

Onevinn AB

I secure Microsoft Cloud environments at enterprise scale — from Sentinel detection engineering and Defender XDR threat hunting to Azure network architecture, email security, and GitHub DevSecOps.

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Security Topics View all →

Microsoft Sentinel

SIEM/SOAR design · KQL · Detection engineering · Threat hunting · Log analytics

15 posts

Defender XDR

Identity · Endpoint · Cloud Apps · Defender for Cloud · CSPM · CWPP

7 posts

Email & Teams Security

Defender for Office 365 · Exchange Online Protection · Teams · MDO Champion

0 posts

Azure Networking

AVNM · Azure Firewall · WAF · DDoS · Private Endpoints · Hub-spoke

7 posts

GitHub Security

Actions security · Supply chain · Org rulesets · Advanced Security · DevSecOps

1 post

IaC & Automation

Bicep · Azure Verified Modules · PowerShell · Azure Policy · GitHub Actions CI/CD

5 posts
Recent Posts All posts →
Deploy and destroy Copilot for Security with Bicep and GitHub Actions 5 min read Bicep GitHub Copilot for Security Configure Defender for Cloud workload protections with Azure Policy 6 min read MDC Defender for Cloud CSPM Demystifying Microsoft Defender for Cloud and Defender CSPM cost 20 min read MDC Defender for Cloud CSPM New Patch Management tool in the cloud - Azure Update Manager (AUM) is now GA 5 min read Arc ESU Azure Update Manager Windows Server 2012/2012 R2 - End of support, what to do with Security Updates? 5 min read Arc ESU Azure Update Manager Kusto Detective Agency - Season 2 Case 7 24 min read Kusto
Speaking & Writing

Conference Speaking

2020 – 2026

  • Experts Live Denmark, Copenhagen
  • NIC Rebel Edition, Oslo
  • Experts Live Denmark, Copenhagen
  • Teamsdagen, Stockholm
  • ESPC24, Stockholm
Full talk catalog →

Book

Microsoft Defender for Identity in Depth

An exhaustive guide to ITDR, breach prevention, and cyberattack response

Packt Publishing · 2024

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MDO Champion — Microsoft Defender for Office 365

Co-authored a four-part guide to securing Microsoft Teams collaboration with the Defender for Office 365 product engineering team — covering user reporting, Safe Links, and advanced threat hunting for Teams protection.