M365 TENANT SECURITY RESEARCH

CoreView Intelligence Labs Deep M365 Research. Written by Practitioners.

Structured research for practitioners who need to understand what's actually happening inside their tenant, written by engineers, backed by real-world data.

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Symbol of a person and a key sat within a graphical interface

Best Practices for Enabling and Enforcing Passkeys in Microsoft Entra ID

Microsoft is rolling out passkeys as its default authentication method from 1st September, 2026, and on February 1st, 2027, the company is also removing support for SMS and Voice MFA. In my previous article – What Microsoft’s Entra ID Passkey Rollout Means for Microsoft 365 Admins.....

Illustration of application authentication methods, comparing certificates for production use with client secrets for development and testing.

September 4, 2026

How Enterprise Applications Authenticate in Entra ID

In this article, we explore in detail the most secure methods IT teams can use to authe...

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Non-Human Identities

Authentication

Fundamentals

Symbol of a person and a key sat within a graphical interface

September 3, 2026

What Microsoft’s Entra ID Passkey Rollout Means for Microsoft 365 Admins

From September 2026, passkeys will become the default method of authentication for Entr...

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Authentication

Fundamentals

Symbol of a person and a key sat within a graphical interface

August 27, 2026

Best Practices for Enabling and Enforcing Passkeys in Microsoft Entra ID

Microsoft is rolling out passkeys as its default authentication method from 1st Septem...

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Authentication

Beyond the Basics

Flowchart showing decisions between tenant and multi-tenant management using MS Entra

August 17, 2026

Understanding Applications and Non-Human Identities in Microsoft Entra

In Microsoft Entra ID, applications access data alongside people, so like people, they....

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Fundamentals

Non-Human Identities