Knowledge and News on Microsoft 365 Security

Microsoft Purview DLP: measure detection assurance

Microsoft Purview DLP – measure detection assurance

Microsoft has introduced the Data Security Workbench as an open starting point for reviewing Microsoft Purview DLP alerts not only as tickets to clear, but as evidence for measurable detection quality. The TechCommunity article from 15 September 2026 describes a closed loop of observing, explaining, improving, and proving DLP behaviour. For smaller organizations, this matters … Read more

Teams group calls: Review scam reporting

Report Teams group calls as scam

Microsoft updated the Defender for Office 365 documentation on September 21, 2026: users can now report completed or missed group calls in Microsoft Teams from call history as scam or not scam. Until now, the visible reporting workflow focused mainly on messages and one-to-one calls. For organizations with 10 to 250 users, the change matters … Read more

Defender: Review AI-Readiness in Secure Score

Review Defender AI-Readiness in Secure Score

Microsoft updated the Microsoft Defender for Endpoint September 2026 release notes with new Secure Score recommendations for AI-Readiness. This is not an AI strategy document. It is a concrete endpoint baseline: devices should expose less attack surface, start from a trusted state, isolate critical Windows security functions, and limit the reuse of local administrator credentials. … Read more

Review Secure Now in Security Exposure Management

Review Secure Now in Microsoft Security Exposure Management

In its Security Blog post from 17 September 2026, Microsoft connects recent threat examples with Secure Now in Microsoft Security Exposure Management. The central point is that identities, endpoints, cloud resources, applications, and AI systems should not be reviewed in isolation, because Microsoft says attackers move across those surfaces. For organizations with 10 to 250 … Read more

Review Purview Network Data Security now

Review Purview Network Data Security for AI and cloud app data flows

Microsoft lists Microsoft Purview Network Data Security as generally available in September 2026 for the integration with Microsoft Entra Global Secure Access. This means organizations can inspect sensitive data not only in Exchange, SharePoint, OneDrive, or Teams, but also in network traffic to unmanaged cloud and AI applications such as ChatGPT, Gemini, Claude, Dropbox, Box, … Read more