https://www.proofpoint-total-protection.com/blog/m365-defender-for-identity/
M365 Defender for Identity – Everything you Need to Know - Proofpoint Total Protection
Jan 14, 2026 - What it is, what is does, how it works and how it fits with Defender and Defender for Endpoint
everything you need to knowdefender for identitytotal protectionm365
https://learn.microsoft.com/en-us/defender-for-identity/what-is
Microsoft Defender for Identity Overview - Microsoft Defender for Identity | Microsoft Learn
Learn how Microsoft Defender for Identity helps detect, investigate, and respond to identity-based attacks across on-premises, cloud, and hybrid environments.
defender for identitymicrosoftoverviewlearn