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# microsoft mvp · microsoft security blog · 523 posts

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I've been breaking down Microsoft's security stack since before Entra ID was even called Entra ID. No fluff, no paywalls — just technical depth on Entra, Sentinel, Defender, Purview, and Azure Security that the official docs rarely give you.

523Posts published
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Harri Jaakkonen
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Microsoft Entra External ID Passkeys: Workforce vs Customer Tenants
12/06/2026·11 min read
Microsoft Entra External ID Passkeys: Workforce vs Customer Tenants

What changed with passkeys in Microsoft Entra External ID, when it was released, how it compares with workforce tenants, and what can be automated with PowerShell.

Request Files Without Opening the Door: SharePoint and OneDrive
05/06/2026·10 min read
Request Files Without Opening the Door: SharePoint and OneDrive

How to set up Request Files in SharePoint and OneDrive, why it is safer than normal external sharing, and what to check when the option is missing.

Microsoft Entra Agent ID + PIM: Design Patterns for Privileged Access
01/06/2026·12 min read
Microsoft Entra Agent ID + PIM: Design Patterns for Privileged Access

Part 2 of the Agent ID governance series: practical design patterns for combining Microsoft Entra Agent ID access packages with Privileged Identity Management (PIM) for privileged access.

Microsoft Entra Agent ID Access Packages: Assigning Short-Lived Permissions to Agents
28/05/2026·11 min read
Microsoft Entra Agent ID Access Packages: Assigning Short-Lived Permissions to Agents

How to assign access packages to Microsoft Entra Agent IDs, including agent self-request, sponsor on-behalf requests, direct admin assignments, and time-bound access lifecycle patterns.

Azure Files Entra-Only Identities: What Changes and Which Identities We Actually Use
24/05/2026·5 min read
Azure Files Entra-Only Identities: What Changes and Which Identities We Actually Use

Azure Files Entra-Only identities are now GA for SMB. This guide explains what changed, how Entra Kerberos works, and which identity types are involved in real-world access and authorization.

Monitoring AI Agent Activity in Microsoft Sentinel with A365 Observability
20/05/2026·7 min read
Monitoring AI Agent Activity in Microsoft Sentinel with A365 Observability

How to find, install, and connect the A365 Observability data connector in Microsoft Sentinel to get visibility into AI agent behavior across Agent 365, AI Foundry, and Copilot.