Microsoft Defender XDR
Vulnerabilities and exposureMarch 2026 Secure Score category update
In brief
In March 2026, Microsoft will update Secure Score categories to improve accuracy, which may affect identity and app Secure Scores.
Message Center announcement
As part of Microsoft's ongoing efforts to increase accuracy in Secure Score, security recommendation categories will be updated in March 2026. As a result, identity and app Secure Scores may be impacted.