Sebastian

Microsoft Entra ID is restricting custom branding for sign-in pages. Beginning October 26, 2026, custom CSS layout and positioning properties will be blocked globally. Organizations that styled their Microsoft 365 sign-in experience with custom CSS should review it now. Logos, images, and text generally remain available, but affected rules for positioning, spacing, visibility, or overlapping … Read more

Microsoft added a small but useful change to the August overview for Microsoft Purview: role group assignments can now be configured with an expiration date. When that date is reached, the assignment is removed automatically and access is revoked. For small and midsize organizations, this matters because Purview work is often temporary: an external specialist … Read more

Microsoft Defender Experts have published new details on MacSync Stealer. The macOS-focused information stealer uses changing infrastructure to deliver payloads, communicate with compromised devices, and exfiltrate data. For companies that run Macs, the important point is that Microsoft does not only list domains. It describes recurring behavioral pivots that security teams can hunt for in … Read more

Microsoft has set a clear date for Microsoft Defender for Cloud Apps: file policies retire on January 6, 2027. Organizations should recreate existing file policies as Microsoft Purview data loss prevention policies or auto-labeling policies before that date. For organizations with 10 to 250 users, this is not an abstract platform change. Many smaller IT … Read more

Microsoft Purview is expanding the way teams evaluate auto-labeling policies. In August 2026, Microsoft highlighted two views: the simulation overview before enforcement and the new Insights tab for active policies. This matters to organizations with 10 to 250 users when confidential files and emails should receive sensitivity labels automatically. A rule that is too broad … Read more