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28 articles
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Microsoft 365

Microsoft Purview Data Loss Prevention: A Step-by-Step Setup Guide for Endpoint and Email

Set up Microsoft Purview DLP end to end: licensing, Exchange and Endpoint policies, device onboarding, simulation mode, tuning, and PowerShell.

Thorsteinn Halldorsson · August 7, 2026 · 19 min read Intermediate
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Security

Entra ID Workload Identity Federation: Eliminating Secrets in CI/CD Pipelines

Entra ID workload identity federation replaces CI/CD client secrets with short-lived OIDC tokens. Full setup for GitHub Actions and Azure DevOps.

Thorsteinn Halldorsson · August 7, 2026 · 19 min read Intermediate
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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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Microsoft 365

Exchange Online Protection vs Defender for Office 365: Which Email Security Tier Do You Need?

Defender for Office 365 vs EOP compared feature-by-feature — find the exact protection tier your mailboxes need before you overspend or under-protect.

Thorsteinn Halldorsson · July 13, 2026 · 16 min read Intermediate
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AI

Missing AI Guardrails: When Your Copilot Serves Data Users Shouldn’t See

Missing AI guardrails let users query their way into data they can't open directly. Close the gap with permission-trimmed retrieval and identity flow.

Thorsteinn Halldorsson · July 8, 2026 · 15 min read Intermediate
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Automation

Automate Windows Server Patching with PowerShell and Azure Update Manager

Automate Windows Server patching at scale using PowerShell and Azure Update Manager — cut patch cycles from days to hours with zero-touch deployments.

Thorsteinn Halldorsson · June 23, 2026 · 13 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 · 17 min read Intermediate
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Microsoft 365

SharePoint Online Permissions and Governance: Stop Oversharing in 2026

SharePoint Online permissions governance done right: audit oversharing, enforce least-privilege, and automate controls before your next compliance review.

Thorsteinn Halldorsson · June 23, 2026 · 14 min read Intermediate
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Microsoft 365

Microsoft Intune Device Compliance Policies: A 2026 Configuration Guide

Intune device compliance policies lock down your endpoints in minutes — here's the exact 2026 configuration that blocks non-compliant devices automatically.

Thorsteinn Halldorsson · June 23, 2026 · 14 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 · 16 min read Intermediate
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