We’ve streamlined our threat detection information better, replacing four separate columns for malware and phishing verdict information with three new columns that can accommodate spam and other threat types. This change widens our ability to give you more information about the type of email threat beyond malware and phishing.
In early November, DigiCert replaced the certificate of an Intermediate Certificate Authority (ICA) which issues SSL/TLS certificates used by Azure Active Directory (Azure AD) services, such as Microsoft 365 and Dynamics 365, in the Public and US Government Clouds. In most cases, no action is required. However, if you explicitly hard code (i.e. “pin”) the ICA certificates to be trusted or have custom solutions that depend on storing ICA certificates in a trust store, you will need to take action as soon as possible in order to avoid service disruptions.
Note: We expect that most customers will not be impacted. You may be impacted, however, if you have applications that explicitly specify a list of trusted ICAs, either by hard coding them (“certificate pinning”) or by operating a trust store.
We are retiring Active Directory Rights Management Service (AD
RMS) support in Exchange Online as of February 28, 2021. Moving forward, we
recommend the utilization of Azure Rights Management Service (Azure RMS).
What is changing?
We originally communicated last November (MC226863) that on 02 Nov 2020, DigiCert replaced the certificate of the Intermediate Certificate Authority (ICA) “DigiCert SHA2 Secure Server CA”, which issues SSL/TLS certificates used by Azure Active Directory (Azure AD) services in the Public Cloud.
We are clarifying how users access label policies and retention policies in Microsoft 365 compliance center.
When this will happen
We’re introducing override alerts for Microsoft Defender for Office 365 Plan 1 and Plan 2. These new system alert policies will enable security admins to receive alerts if a message with a high confidence phish or malware verdict is delivered to a mailbox due to one of the following overrides:
Starting 4 February 2021, Power Apps will proceed with enforcing Data Loss Prevention (DLP) policies when apps are launched. This enforcement is in addition to the DLP enforcement that occurs when connections are added to apps in Power Apps Studio. This enforcement change was previously communicated in Message Center (MC208818) and turned on and then turned off as unexpected behavior was observed. The unexpected behavior has since been resolved.
We have maintenance planned for the Help + Support experience within the Microsoft Power Platform admin center to perform infrastructure changes. During the maintenance window listed below, users will be unable to update or gather specific support case details using the Power Platform admin center.
We are adding a new Microsoft Teams report to the Microsoft 365 admin center usage reports section.
This message is associated with Microsoft 365 Roadmap ID 70552.
A content delivery network is a temporary cache storage location designed to optimizethe user experience by providing static files like images, JavaScript, stylesheets, and font files directly from cache locations closest to the user.
In SharePoint Online there are two primary CDNs that are available to handle your static files. One CDN is public and manages JavaScript, stylesheets, and font files. The other CDN is private and is designed to manage images. The public CDN will remain unchanged at this time and should be enabled to handle your JavaScript, stylesheets, and font files, subject to approval by your compliance, security, and privacy teams.
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