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Security & Compliance

DLP, guest access reviews, restricted access control, authentication changes and backup.

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SharePoint File Policies Moving to Purview

Stop managing SharePoint file DLP in Defender for Cloud Apps. Policies move to Microsoft Purview by January 6, 2027. Here is what to migrate.

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SMS MFA Retirement: What M365 Admins Must Do

Microsoft is retiring SMS and voice MFA on February 1, 2027. Here is what SharePoint admins need to do before the enforcement date hits (MC1426371).

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Screen Capture Blocked for Labelled PDFs

Microsoft Edge blocks screen captures of sensitivity-labelled PDFs in SharePoint from August 2026. Here's what changes and what admins should check.

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Illustration: a shield intercepting a flagged document.

SharePoint RAC Now Enforced in M365 Search

RAC-restricted SharePoint sites drop from M365 search results for unauthorised users as of late July 2026. Here's what SharePoint admins need to check.

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Illustration: a shield intercepting a flagged document.

Microsoft 365 Backup Covers Whole Workloads

One policy now protects every SharePoint, OneDrive and Exchange item. What Full Workload Backup changes, and what to check before turning it on.

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SharePoint DLP File Quarantine Reaches GA

Microsoft's File Quarantine action for SharePoint and OneDrive DLP policies is now generally available. Here's what changes and what to check first.

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Illustration: a shield intercepting a flagged document.

SharePoint DLP Policy Tips Drop Email Alerts

Microsoft is decoupling DLP policy tips from email notifications for SharePoint and OneDrive (MC791114). Here's what changes and why it matters for admins.

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Illustration: a shield intercepting a flagged document.

Purview DLP Blocks External SharePoint Access

A new Purview DLP action blocks external SharePoint and OneDrive access by domain or user. Here's what MC1338823 changes and how to prepare.

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Illustration: a policy gate sorting compliant and blocked items.

SharePoint Guest Reviews Now Every 90 Days

90 days is the new ceiling for stale SharePoint guest access. Here's what SharePoint admins can do about MC1398452 before enforcement begins.

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Illustration: a shield intercepting a flagged document.

SharePoint CSP Enforcement Is Now Active

CSP enforcement is now fully active across all SharePoint Online tenants. The 90-day delay option expired June 1. Here is what admins must check.

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