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MC718246 – (Updated) Defender for Office 365: Block Sender in Quarantine notification will require signing in to security portal

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check before: 2024-03-07

Product:

Defender, Defender for Office 365, Defender XDR, Exchange

Platform:

Online, US Instances, Web, World tenant

Status:

Launched

Change type:

Admin impact, Feature update, Updated message

Details:

Summary:
Microsoft Defender for Office 365 will require signing in to the security portal for the Block Sender action in Quarantine notifications starting late April 2024. No action is needed to prepare for this change.

Details:
Updated May 31, 2024: We have updated the rollout timeline below. Thank you for your patience.
Following the feature update described in Message Center post MC711335 - Microsoft Defender for Office 365: Quarantine End User Allow and Block list management, published January 31st, 2024, sign in to the security portal will be required for the Block Sender action in Quarantine notifications.
This message is associated with Microsoft 365 Roadmap ID 380185
[When this will happen:]
Worldwide: We will begin rolling out late April 2024 (previously early March) and expect to complete by late June 2024 (previously mid-May).
GCC, GCC High, and DoD Release: We will begin rolling out mid-May 2024 (previously mid-March) and expect to complete by late June 2024 (previously late June).

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:
General Availability

Created:
2024-02-22

updated:
2024-06-01

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changes*

DatePropertyoldnew
2024-06-01MC Last Updated04/03/2024 23:07:432024-05-31T19:47:07Z
2024-06-01MC MessagesUpdated April 3, 2024: We have updated the rollout timeline below. Thank you for your patience.
Following the feature update described in Message Center post MC711335 - Microsoft Defender for Office 365: Quarantine End User Allow and Block list management, published January 31st, 2024, sign in to the security portal will be required for the Block Sender action in Quarantine notifications.
This message is associated with Microsoft 365 Roadmap ID 380185
[When this will happen:]
Worldwide: We will begin rolling out late April 2024 (previously early March) and expect to complete by mid-May 2024 (previously mid-March).
GCC, GCC High, and DoD Release: We will begin rolling out mid-May 2024 (previously mid-March) and expect to complete by late May 2024 (previously late March).
Updated May 31, 2024: We have updated the rollout timeline below. Thank you for your patience.
Following the feature update described in Message Center post MC711335 - Microsoft Defender for Office 365: Quarantine End User Allow and Block list management, published January 31st, 2024, sign in to the security portal will be required for the Block Sender action in Quarantine notifications.
This message is associated with Microsoft 365 Roadmap ID 380185
[When this will happen:]
Worldwide: We will begin rolling out late April 2024 (previously early March) and expect to complete by late June 2024 (previously mid-May).
GCC, GCC High, and DoD Release: We will begin rolling out mid-May 2024 (previously mid-March) and expect to complete by late June 2024 (previously late June).
2024-06-01MC End Time07/01/2024 09:00:002024-08-05T09:00:00Z
2024-04-04MC MessageTagNamesFeature update, Admin impactUpdated message, Feature update, Admin impact
2024-04-04MC SummaryMicrosoft Defender for Office 365 will require signing in to the security portal for the Block Sender action in Quarantine notifications starting March 2024. No action is needed to prepare for this change.Microsoft Defender for Office 365 will require signing in to the security portal for the Block Sender action in Quarantine notifications starting late April 2024. No action is needed to prepare for this change.
2024-04-04MC Last Updated02/22/2024 00:47:262024-04-03T23:07:43Z
2024-04-04MC MessagesFollowing the feature update described in Message Center post MC711335 - Microsoft Defender for Office 365: Quarantine End User Allow and Block list management, published January 31st, 2024, sign in to the security portal will be required for the Block Sender action in Quarantine notifications.
This message is associated with Microsoft 365 Roadmap ID 380185
[When this will happen:]
Worldwide: We will begin rolling out early March 2024 and expect to complete by mid-March 2024.
GCC, GCC High, and DoD Release: We will begin rolling out mid-March 2024 and expect to complete by late March 2024.
Updated April 3, 2024: We have updated the rollout timeline below. Thank you for your patience.
Following the feature update described in Message Center post MC711335 - Microsoft Defender for Office 365: Quarantine End User Allow and Block list management, published January 31st, 2024, sign in to the security portal will be required for the Block Sender action in Quarantine notifications.
This message is associated with Microsoft 365 Roadmap ID 380185
[When this will happen:]
Worldwide: We will begin rolling out late April 2024 (previously early March) and expect to complete by mid-May 2024 (previously mid-March).
GCC, GCC High, and DoD Release: We will begin rolling out mid-May 2024 (previously mid-March) and expect to complete by late May 2024 (previously late March).
2024-04-04MC TitleMicrosoft Defender for Office 365: Block Sender in Quarantine notification will require signing in to security portal(Updated) Defender for Office 365: Block Sender in Quarantine notification will require signing in to security portal
2024-04-04MC End Time05/15/2024 09:00:002024-07-01T09:00:00Z

*starting April 2022

Last updated 3 weeks ago

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