MC577356 – (Updated) Microsoft Defender for Office 365: Handling Malicious Intra-Organizational Messages (archived)

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*For this entry exists the more relevant or more recent entry MC660068

check before: 2023-06-22

Product:

Defender, Defender for Office 365, Microsoft 365 Defender

Platform:

World tenant, Online

Status:

Change type:

Admin impact, Feature update, Updated message

Links:

MC660068

Details:

Updated June 20, 2023: The rollout for handling intra-organizational messages that contain a malicious URL in Microsoft Defender for Office 365 is complete.
We are updating the handling of intra-organizational messages that contain a malicious URL in Microsoft Defender for Office 365.

[When this will happen:]

Rollout will begin in early June and is expected to be complete by mid-June.

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:

Created:
2023-06-09

updated:
2023-06-21

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changes*

DatePropertyoldnew
2023-06-21MC Last Updated06/13/2023 22:09:152023-06-20T23:19:57Z
2023-06-21MC MessagesUpdated June 13, 2023: We have updated the content below for clarity.
We are updating the handling of intra-organizational messages that contain a malicious URL in Microsoft Defender for Office 365.

[When this will happen:]

Rollout will begin in early June and is expected to be complete by mid-June.
Updated June 20, 2023: The rollout for handling intra-organizational messages that contain a malicious URL in Microsoft Defender for Office 365 is complete.
We are updating the handling of intra-organizational messages that contain a malicious URL in Microsoft Defender for Office 365.

[When this will happen:]

Rollout will begin in early June and is expected to be complete by mid-June.
2023-06-21MC End Time07/15/2023 09:00:002023-08-28T09:00:00Z
2023-06-14MC MessagesWe are updating the handling of intra-organizational messages that contain a malicious URL in Microsoft Defender for Office 365.

[When this will happen:]

Rollout will begin in early June and is expected to be complete by mid-June.
Updated June 13, 2023: We have updated the content below for clarity.
We are updating the handling of intra-organizational messages that contain a malicious URL in Microsoft Defender for Office 365.

[When this will happen:]

Rollout will begin in early June and is expected to be complete by mid-June.
2023-06-14MC TitleMicrosoft Defender for Office 365: Handling Malicious Intra-Organizational Messages(Updated) Microsoft Defender for Office 365: Handling Malicious Intra-Organizational Messages
2023-06-14MC Last Updated06/08/2023 18:14:372023-06-13T22:09:15Z
2023-06-14MC MessageTagNamesFeature update, Admin impactUpdated message, Feature update, Admin impact
2023-06-14MC prepareYou don't need to do anything, however, if you don't want to act on intra-organizational messages, you can opt-out by changing the Anti-spam setting to NONE or you can opt-in to the change by changing the value to something other than DEFAULT/NONE.
https://learn.microsoft.com/microsoft-365/security/office-365-security/anti-spam-policies-configure?view=o365-worldwide
You don't need to do anything, however, if you don't want to act on intra-organizational messages, you can opt-out by changing the Anti-spam setting to NONE. If you prefer to opt-in to the new behavior now, you can select High Confidence Phishing or one of the other options from the drop down.
https://learn.microsoft.com/microsoft-365/security/office-365-security/anti-spam-policies-configure?view=o365-worldwide

*starting April 2022

Last updated 1 month ago

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