Update whats-new-overview.md

Author: JarbasHorst

concepts/whats-new-overview.md

@@ -17,6 +17,14 @@ For details about previous updates to Microsoft Graph, see [Microsoft Graph what
 > [!IMPORTANT]
 > Features in _preview_ status are subject to change without notice, and might not be promoted to generally available (GA) status. Don't use preview features in production apps.
 
+## February 2025: New in preview only
+
+### Backup storage
+
+- Use the **protectionSources** property on [driveProtectionUnit](/graph/api/resources/driveprotectionunit?view=graph-rest-beta&preserve-view=true), [mailboxProtectionUnit](/graph/api/resources/mailboxprotectionunit?view=graph-rest-beta&preserve-view=true), and [siteProtectionUnit](/graph/api/resources/siteprotectionunit?view=graph-rest-beta&preserve-view=true) to get the sources by which a protection unit is currently protected.
+- [Update](/graph/api/protectionrulebase-update?view=graph-rest-beta&preserve-view=true) a [driveProtectionRule](/graph/api/resources/driveprotectionrule?view=graph-rest-beta&preserve-view=true) or a [mailboxProtectionRule](/graph/api/resources/mailboxprotectionrule?view=graph-rest-beta&preserve-view=true).
+- [Delete and unprotect](/graph/api/protectionrulebase-deleteandunprotect?view=graph-rest-beta&preserve-view=true) all the artifacts protected by a dynamic rule in a [driveProtectionRule](/graph/api/resources/driveprotectionrule?view=graph-rest-beta&preserve-view=true) or a [mailboxProtectionRule](/graph/api/resources/mailboxprotectionrule?view=graph-rest-beta&preserve-view=true).
+
 ## January 2025: New and generally available 
 
 ### Files
@@ -25,7 +33,7 @@ Updated the endpoint of the [fileStorageContainer: restore](/graph/api/filestora
 
 ### Identity and access | Identity and sign-in
 
-Added riskEventType entry for the Suspicious API Traffic detection for [service principals](/graph/api/resources/serviceprincipalriskdetection?view=graph-rest-1.0&preserve-view=true).
+Added riskEventType entry for the Suspicious API Traffic detection for [service principals](/graph/api/resources/serviceprincipalriskdetection).
 
 ### Teamwork and communications | Calls and online meetings