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# microsoft mvp · microsoft security blog · 569 posts

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-Uri "learn.cloudpartner.fi"

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.

569Posts published
11Years active
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Harri Jaakkonen
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New-Session -Scope "UpSkillsModule"

Discussion on technical topics and MVP path exploration. Pick the intensity that fits your timeline. Only for Individuals.

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15€/mo
All exam PDFs, updated when exams change. No live sessions, no question bank. No Technical discussions and MVP path exploration.
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Learners Bronze
30€/mo
One 30-minute 1:1 session per week. Good for steady progress alongside a day job. Technical discussions and MVP path exploration.
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  • ✓ Practice question bank
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Learners Silver
50€/mo
Two 30-minute 1:1 sessions per week. For people who need accountability and a review loop. Technical discussions and MVP path exploration.
  • ✓ 2× 30 min / week
  • ✓ All 7 exam PDFs
  • ✓ Practice question bank
  • ✓ Session recordings
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Securing Connected Agents in Copilot Studio: A2A as a New Trust Boundary
21/09/2026·14 min read
Securing Connected Agents in Copilot Studio: A2A as a New Trust Boundary

Copilot Studio can delegate work to Foundry, A2A, and Microsoft 365 Agents SDK agents. This security architecture guide maps identity, context, tool, network, and audit controls across every hop.

Beyond Microsoft’s DevSecOps for IaC: Policy, Drift and AI Remediation
15/09/2026·12 min read
Beyond Microsoft’s DevSecOps for IaC: Policy, Drift and AI Remediation

The second part of the series looks at policy as code, drift reconciliation, security scanning, GitHub environments, and how AI can participate in remediation without undermining the trust boundary.

Beyond Microsoft’s DevSecOps for IaC: Trust Boundaries for GitHub, Copilot and AI Agents
14/09/2026·11 min read
Beyond Microsoft’s DevSecOps for IaC: Trust Boundaries for GitHub, Copilot and AI Agents

A practical look at how GitHub, GitHub Actions, Azure identity, policy as code and AI-assisted engineering fit together in a secure Infrastructure as Code delivery model.

When AI Starts Acting: Why Agent Security Is Moving Beyond Prompts
09/09/2026·11 min read
When AI Starts Acting: Why Agent Security Is Moving Beyond Prompts

Why AI agent security must protect authority, not just prompts, with deterministic policy, isolated sessions, runtime attestation and tenant governance.

The Agent Has an Identity Now: Microsoft's New Security Model for AI Agents
07/09/2026·10 min read
The Agent Has an Identity Now: Microsoft's New Security Model for AI Agents

Microsoft Entra Agent ID, identity blueprints, MCP authentication and the security controls enterprises need as AI agents become first-class actors.

Agentic Applications for a Unified Data Foundation: Isolation and AI Security
07/09/2026·9 min read
Agentic Applications for a Unified Data Foundation: Isolation and AI Security

How Microsoft's Agentic Applications for Unified Data Foundation solution accelerator connects Fabric data, Microsoft Foundry, Agent Framework, and App Service, with practical isolation and AI security controls.

Microsoft Frontier Titan: Why AI Security Architects Should Start Now
06/09/2026·12 min read
Microsoft Frontier Titan: Why AI Security Architects Should Start Now

Why I think security architects working with AI should start the Microsoft Frontier Titan, or Frontier Transformation Engineer, track now, and how GH-300, AI-103, AB-100, and the Frontier project assessments fit together.