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Category: Security

8 articles
Level: All Beginner Intermediate Advanced
Security

Conditional Access Gap Analysis: Finding and Fixing Coverage Holes with What-If

Conditional access gap analysis: use Microsoft's What-If tool and PowerShell to find unprotected users, apps, and sign-in paths before attackers do.

Thorsteinn Halldorsson · July 14, 2026 · 14 min read Intermediate
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Security

Microsoft Sentinel in 2026: Build Your First Analytics Rules and Playbooks

Microsoft Sentinel analytics rules explained: build detection logic, cut alert fatigue, and automate response with playbooks in under an hour.

Thorsteinn Halldorsson · June 23, 2026 · 18 min read Intermediate
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Security

Zero Trust Network Architecture: A Practical Azure Implementation Guide

Zero trust Azure implementation done right: harden identities, microsegment networks, and enforce least-privilege access across your entire Azure estate.

Thorsteinn Halldorsson · June 23, 2026 · 17 min read Intermediate
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Security

Microsoft Entra Connect 2.6.79.0: Apply the Security Fixes Now — Plus FIDO2 Sign-In for the Wizard

Entra Connect 2.6.79.0 shipped security fixes but was recalled — install 2.6.84.0 instead. Same security fixes, plus a FIDO2 wizard sign-in preview.

Thorsteinn Halldorsson · June 23, 2026 · 10 min read Intermediate
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Security

Microsoft Defender XDR in 2026: The Unified Portal, Sentinel Convergence, and the Agentic SOC

Microsoft Defender XDR in 2026: the unified SecOps portal, Sentinel convergence, and what the agentic SOC means for day-to-day incident response.

Thorsteinn Halldorsson · June 19, 2026 · 6 min read Intermediate
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Security

Azure Key Vault: Store and Retrieve Secrets the Right Way

Store and retrieve secrets the right way with Azure Key Vault: access policies vs RBAC, managed identities, and secure app integration patterns.

Thorsteinn Halldorsson · June 17, 2026 · 9 min read Intermediate
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Security

Azure AD Conditional Access Policies: Complete Guide

A complete guide to Azure AD Conditional Access policies: signals, grant controls, MFA, and templates that secure access without locking users out.

Thorsteinn Halldorsson · June 17, 2026 · 13 min read Intermediate
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Security

Domain CA Renewal and Deployment Guide

Renew and redeploy an on-premises domain Certificate Authority safely: root and issuing CA renewal, CRL handling, and templates with minimal downtime.

Thorsteinn Halldorsson · June 17, 2026 · 35 min read Intermediate
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