What happened
Proofpoint MSP Platform is releasing new Microsoft 365 security capabilities in Q4 2026, including 365 Permission Manager, which makes access and sharing structures across SharePoint, OneDrive and Microsoft Teams visible and adjustable.
Why it matters
Overly broad permissions, unclear sharing settings and low employee confidence are not caused by AI, but can be amplified by its use, per Daniel Hofmann, GM & EVP of Proofpoint MSP Platform.
What to watch
The full set of updates rolls out in Q4 2026.
WHO IT HITSMSPs and SMB security teams managing Microsoft 365 tenants gain clearer visibility into sprawling permission and sharing structures, per Proofpoint, which may ease decisions about which AI tools to deploy.
Summaries like this, in your inbox every morning.
In established Microsoft 365 environments, access structures become more complex with every new team, project and external partner, while sharing links, guest accounts and inherited permissions often stay active beyond their original purpose. Proofpoint's 365 Permission Manager is aimed at this tangle: it makes those access and sharing structures across SharePoint, OneDrive and Microsoft Teams visible so organizations can adjust them. The company frames this as groundwork for AI adoption, and Daniel Hofmann's point is that the risk does not originate in AI itself — overly broad permissions, unclear sharing settings and low employee confidence predate it — but AI use can amplify their impact. The remaining updates are set to roll out in Q4 2026.
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