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# microsoft mvp · microsoft security blog · 521 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.

521Posts published
11Years active
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Harri Jaakkonen
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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.

AI-300 Part 5: Optimize GenAI Systems
18/05/2026·11 min read
AI-300 Part 5: Optimize GenAI Systems

AI-300 study guide Part 5 covering optimization of generative AI systems — RAG chunking strategies, fine-tuning vs RAG, Azure OpenAI Batch API, semantic caching, model routing, streaming, and latency optimization.

AI-300 Part 4: GenAI Quality and Observability
18/05/2026·9 min read
AI-300 Part 4: GenAI Quality and Observability

AI-300 study guide Part 4 covering GenAI quality assurance — Azure AI Foundry evaluators, groundedness, relevance, safety metrics, custom evaluators, CI/CD evaluation gates, and OpenTelemetry distributed tracing.

Azure Files Entra-Only Identities: What Changes and Which Identities We Actually Use

Microsoft announced general availability for Entra-Only identities with Azure Files SMB, and this follow-up covers which identity types are involved in real-world access and authorization.

Microsoft Entra Agent ID Access Packages
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 with approvals, expiry, and short-lived permission lifecycle controls.

Monitoring AI Agent Activity
20/05/2026·6 min read
Monitoring AI Agent Activity in Microsoft Sentinel with A365 Observability

How to track and analyze AI agent activity in Sentinel using the A365 Observability connector and signal-quality checks.

AI-300 Study Guide
18/05/2026·10 min read
AI-300 Study Guide: Machine Learning Operations Engineer Associate

Complete study guide for the AI-300 exam covering MLOps on Azure, model deployment, monitoring, and responsible AI.

AI-103 Study Guide
16/05/2026·12 min read
AI-103 Study Guide: Azure AI Apps and Agents Developer Associate

Full breakdown of AI-103 objectives: building AI-powered apps, integrating Azure AI services, and deploying intelligent agents.

SC-500 Study Guide
17/05/2026·11 min read
SC-500 Study Guide: Cloud and AI Security Engineer Associate

Coverage of SC-500 domains with practical guidance on securing AI and cloud workloads using Microsoft Security controls.