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MC675960 – (Updated) Microsoft Defender for Office 365: Tenant Allow Block List to Support URL Top-Level Domain Blocking (archived)

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check before: 2023-10-04

Product:

Defender, Defender for Office 365, Exchange, Microsoft 365 Apps, Microsoft 365 Defender, Teams

Platform:

Online, US Instances, Web, World tenant

Status:

Launched

Change type:

Admin impact, New feature, Updated message, User impact

Links:

115506

Details:

Updated November 2, 2023: We have updated the content below to show as intended. Thank you for your patience.
Soon, you will be able to block URLs based on their top-level domain using block entries in the Tenant Allow Block List. You can create entries in the Microsoft 365 Defender portal or PowerShell, using the format “*./*”, where can be any top-level domain such as .net, .biz, .io, .movie, country codes (.in, .us, .ru) etc. The entry is not case sensitive, and can be in uppercase, lowercase, or mixed.
It is applicable to customers with Exchange Online Protection, Microsoft Defender for Office plan 1 or plan 2 service plans.
The top-level domain entry results in the blocking of all URLs that are related to “*./*”, (subdomains, domains, or sub paths) both during mail flow (email is quarantined like other blocked URL entries) and at time of click across Microsoft Teams and Office apps, if Safe Links is enabled.
This message is associated with Microsoft 365 Roadmap ID 115506

[When this will happen:]
Rollout will begin in late September 2023 and is expected to be complete by late October 2023.

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:
General Availability

Created:
2023-09-20

updated:
2023-11-03

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changes*

DatePropertyoldnew
2023-11-03MC MessagesSoon, you will be able to block URLs based on their top-level domain using block entries in the Tenant Allow Block List. You can create entries in the Microsoft 365 Defender portal or PowerShell, using the format “*./”, where can be any top-level domain such as .net, .biz, .io, .movie, country codes (.in, .us, .ru) etc. The entry is not case sensitive, and can be in uppercase, lowercase, or mixed.
It is applicable to customers with Exchange Online Protection, Microsoft Defender for Office plan 1 or plan 2 service plans.
The top-level domain entry results in the blocking of all URLs that are related to “*./”, (subdomains, domains, or sub paths) both during mail flow (email is quarantined like other blocked URL entries) and at time of click across Microsoft Teams and Office apps, if Safe Links is enabled.
This message is associated with Microsoft 365 Roadmap ID 115506

[When this will happen:]
Rollout will begin in late September 2023 and is expected to be complete by late October 2023.
Updated November 2, 2023: We have updated the content below to show as intended. Thank you for your patience.
Soon, you will be able to block URLs based on their top-level domain using block entries in the Tenant Allow Block List. You can create entries in the Microsoft 365 Defender portal or PowerShell, using the format “*./*”, where can be any top-level domain such as .net, .biz, .io, .movie, country codes (.in, .us, .ru) etc. The entry is not case sensitive, and can be in uppercase, lowercase, or mixed.
It is applicable to customers with Exchange Online Protection, Microsoft Defender for Office plan 1 or plan 2 service plans.
The top-level domain entry results in the blocking of all URLs that are related to “*./*”, (subdomains, domains, or sub paths) both during mail flow (email is quarantined like other blocked URL entries) and at time of click across Microsoft Teams and Office apps, if Safe Links is enabled.
This message is associated with Microsoft 365 Roadmap ID 115506

[When this will happen:]
Rollout will begin in late September 2023 and is expected to be complete by late October 2023.
2023-11-03MC TitleMicrosoft Defender for Office 365: Tenant Allow Block List to Support URL Top-Level Domain Blocking(Updated) Microsoft Defender for Office 365: Tenant Allow Block List to Support URL Top-Level Domain Blocking
2023-11-03MC Last Updated09/20/2023 01:32:592023-11-02T22:56:22Z
2023-11-03MC MessageTagNamesNew feature, User impact, Admin impactUpdated message, New feature, User impact, Admin impact

*starting April 2022

Last updated 3 months ago

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