Shared responsibility: vendor versus client duties

Published Apr 25, 2024 • Updated May 1, 2026

Overview

Vendor responsibility models confuse buyers who think “Microsoft secures my email completely.”

Client duties

Identity protections, device hygiene, data classification, backup beyond native tools if needed.

MSP duties

Implement controls per SOW, monitor, respond within SLA, advise on gaps.

SOW language

Bulleted in-scope / out-of-scope referencing vendor shared responsibility URLs.

QBR

Visual diagram: Microsoft vs Client vs MSP responsibilities.

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