What Is Microsoft Defender XDR?
Select the answer that correctly completes the sentence.
Microsoft Defender XDR is a unified enterprise suite that coordinates detection, prevention, investigation, and response across endpoints, identities, email, and applications to provide integrated protection against sophisticated attacks.
Explanation
Microsoft Defender XDR is the product built specifically to unify detection and response across endpoints, identities, email, and apps. Conditional Access is a policy engine for enforcing access rules, ID Protection focuses narrowly on identity risk, and Purview covers data governance and compliance — none of them match the cross-domain XDR description in the question.