WHITEPAPER

Microsoft 365 & Intune Security Hardening Guide: Prevent Tenant Compromise, Device Wipes & Cloud Attacks

Microsoft 365 & Intune Security Hardening Guide

A practical implementation guide for security teams to strengthen Microsoft 365 security hardening and Intune security hardening against destructive cloud attacks, tenant compromise, and device wipe incidents.

This white paper was created in response to the March 2026 Stryker incident, where attackers reportedly abused legitimate Microsoft 365 and Intune administrative functions to execute a large-scale device wipe. When the cloud management plane is compromised, traditional endpoint security is no longer enough.

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Get actionable controls to protect your Microsoft 365 environment from tenant-level attacks.

What You’ll Learn

This guide provides practical, immediately actionable steps for reducing risk across identity, endpoint, and cloud layers.

The white paper also breaks down four common misconfigurations that enable these attacks, along with the first priority actions to materially reduce risk.

Why This Matters
A compromised Intune or Microsoft 365 admin account can be equivalent to a domain admin compromise in the cloud. Attackers can abuse legitimate tools, APIs, and permissions to wipe devices, modify policies, revoke access, and operate at scale. The white paper focuses on protecting that cloud control plane with the same rigor organisations once applied to on-premises domain controllers.
Who Should Read This Guide

This guide is for:

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Get the full Microsoft 365 and Intune Security Hardening Guide with actionable controls, configuration steps, monitoring strategies, and incident response measures your team can implement immediately.

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