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Defender XDR and attack-surface management

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Defender XDR and attack-surface management

How Microsoft Defender XDR unifies Defender for Office, Endpoint, Identity, and Cloud Apps into a single SOC workflow.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/defender-xdr-and-attack-surface

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01

Why XDR matters

A modern attack rarely touches only one workload. A phishing email leads to credential theft, which leads to a sign-in from a new device, which leads to lateral movement on AD, which leads to data exfiltration via a san…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/defender-xdr-and-attack-surface

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02

The XDR portal

The Defender XDR portal at security.microsoft.com is one place for:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/defender-xdr-and-attack-surface

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03

Microsoft Sentinel integration

Sentinel is Microsoft's full SIEM/SOAR. It now lives inside the Defender XDR portal as a unified surface: Defender XDR for first-party signals, Sentinel for broader log ingestion (third-party firewalls, network gear, cu…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/defender-xdr-and-attack-surface

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04

Operational model

XDR works best when the SOC organises around it:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/defender-xdr-and-attack-surface

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05

What "attack surface management" specifically adds

It's easy to read Defender XDR purely as an internal detection-and-response tool and miss the attack surface management (Defender EASM) angle entirely — this capability scans for internet-facing assets the organisation…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/defender-xdr-and-attack-surface

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