MC429465 – Microsoft Secure Score is adding new improvement actions for impersonation protection and SharePoint Online (archived)

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check before: 2022-09-27


Defender, Defender for Office 365, Microsoft 365 Defender, SharePoint


Online, World tenant


Change type:

Feature update, Admin impact



We’re updating Microsoft Secure Score improvement actions to ensure a more accurate representation of your organization’s security posture.
This update will include these new recommendations as Microsoft Secure Score improvement actions:
Impersonation settings in anti-phishing policies in Microsoft Defender for Office 365
Set the phishing email level threshold at 2 or higher
Enable impersonated user protection
Enable impersonated domain protection
Ensure that mailbox intelligence is enabled
Ensure that intelligence for impersonation protection is enabled
Quarantine messages that are detected from impersonated users
Quarantine messages that are detected from impersonated domains
Move messages that are detected as impersonated users by mailbox intelligence
Enable the ‘show first contact safety tip’ option
Enable the user impersonation safety tip
Enable the domain impersonation safety tip
Enable the user impersonation unusual characters safety tip
SharePoint Online:
Sign out inactive users in SharePoint Online
We will continue to add suggested security improvement actions on an ongoing basis.
[When this will happen:]
This roll out will start in mid-September and be completed by the end of September.

Change Category:


Release Phase:



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Last updated 3 months ago

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