#MicrosoftDefenderXDR
MC1477180: Microsoft Defender for Cloud Apps: Retirement of EWS detections in App Governance

Exchange Web Services (EWS) in Exchange Online will be retired starting October 1, 2026, with Micr…

https://blog.tophhie.cloud/message-center/mc1477180

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
September 23, 2026 at 1:01 AM
MC1479503: Microsoft Defender for Cloud Apps: Permission changes for select App Governance Entra roles

Microsoft Defender for Cloud Apps is updating App Governance permissions for select Micr…

https://blog.tophhie.cloud/message-center/mc1479503

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
September 25, 2026 at 11:01 PM
MC1478463: Microsoft Defender for Office 365: Teams user reporting enabled by default

Microsoft Defender for Office 365 will enable Teams user reporting by default starting late October 2026…

https://blog.tophhie.cloud/message-center/mc1478463

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
September 24, 2026 at 5:01 PM
MC1478005: Microsoft Defender for Office 365: View approver details for remediation actions in Advanced Hunting

Microsoft Defender for Office 365 added an ApproverUpn column to the EmailPostD…

https://blog.tophhie.cloud/message-center/mc1478005

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
September 23, 2026 at 11:01 PM
🚀🔎 Track Sensitive Graph API Calls with my new #KQL Function for #MicrosoftDefenderXDR

Microsoft has released the new advanced hunting table "GraphAPIAuditEvents" which offers great opportunities to investigate activities based on #MicrosoftGraph API calls.
July 17, 2025 at 6:43 AM
MC1476237: Microsoft Defender for Office 365: Remediation actions from the Teams message entity flyout

Microsoft Defender for Office 365 will enhance the Teams message entity flyout by late S…

https://blog.tophhie.cloud/message-center/mc1476237

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
September 21, 2026 at 11:01 PM
Check out my first blog post about "Insight on Azure Instance Metadata Service from an attacker and defender perspective" 🛡️⚔️!

lorisambrozzo.medium.com/insight-into...

#MicrosoftAzure #IMDS #MicrosoftSentinel #MicrosoftDefenderXDR
Insight into the Azure instance metadata service from an attacker and defender perspective
Insight into the Azure instance metadata service with analysis on a Windows server and detection in Microsoft Defender XDR
lorisambrozzo.medium.com
December 11, 2024 at 6:45 AM
MC1474106: Microsoft Defender for Office 365: New MessageContents table in Advanced Hunting for Microsoft Teams messages

Microsoft Defender for Office 365 introduces a new MessageContents tab…

https://blog.tophhie.cloud/message-center/mc1474106

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
September 18, 2026 at 5:01 PM
An excellent guide (by Microsoft SME Ray Reyes) on deploying Defender XDR after acquiring #M365 license. If you're pondering on how to secure your email, users, devices, identity, apps that your users are interacting with? entitlement for your users but not sure where to begin, this is for you.
Monday gift to you | Ray Reyes
Monday gift to you Here's the latest version of my #MicrosoftDefenderXDR Deployment guide. It's been close to a year since I wrote the last version, so lots of new goodies on this guide and n...
www.linkedin.com
July 7, 2025 at 10:23 PM
MC1466750: Microsoft Secure Score: New AI-readiness recommendations for device security

Microsoft Secure Score will add four new AI-readiness recommendations for device security in Microsoft…

https://blog.tophhie.cloud/message-center/mc1466750

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
September 4, 2026 at 12:00 AM
MC1465771: Microsoft Defender XDR: DLP alerts will be set as behaviors by default

Microsoft Defender XDR will set Microsoft Purview DLP alerts as behaviors by default starti…

https://blog.tophhie.cloud/message-center/mc1465771

#MicrosoftDefenderXDR #MicrosoftPurview #Microsoft365 #MessageCenter
September 2, 2026 at 12:00 AM
Microsoft is investigating a widespread Exchange Online outage causing authentication failures, email delays, and mailbox access issues. The incident also affects OneDrive, SharePoint, Teams, Purview, and Defender XDR. #ExchangeOnline #Microsoft365
Microsoft Exchange Online Outage Causes Email Failures, Auth Issues
Microsoft is investigating a widespread Exchange Online incident that is causing authentication problems, email delays, and mailbox access failures for many users. The outage, tracked as EX1464935 and later MO1465074, also affects other Microsoft 365 services including OneDrive for Business, SharePoint Online, Microsoft Teams, Microsoft Purview, and Microsoft Defender XDR. #ExchangeOnline #Microsoft365 #OneDriveforBusiness #SharePointOnline #MicrosoftTeams #MicrosoftPurview #MicrosoftDefenderXDR
www.hendryadrian.com
August 31, 2026 at 7:45 PM
MC1462464: Microsoft Defender for Cloud Apps: App Governance support for the Cloud Application Administrator role is being retired

Support for the Cloud Application Administrator role in Microsoft Defender…

https://blog.tophhie.cloud/mc1462464/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
August 27, 2026 at 12:00 AM
MC1461704: Microsoft Defender XDR: Unified response actions across identity accounts

Microsoft Defender XDR unifies identity response actions across linked accounts, enabling security teams to manage actio…

https://blog.tophhie.cloud/mc1461704/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
August 26, 2026 at 12:00 AM
MC1461705: Microsoft Defender XDR: Unified identity timeline on the Identity page

Microsoft Defender XDR is enhancing the Identity page's Timeline tab to provide a unified, chronological view of identity-r…

https://blog.tophhie.cloud/mc1461705/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
August 26, 2026 at 12:00 AM
MC1455016: New Defender for Identity health issue for missing Windows events from a domain controller

Microsoft Defender for Identity now includes a new sensor health issue, "No Windows events received fro…

https://blog.tophhie.cloud/mc1455016/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
August 18, 2026 at 8:08 AM
MC1454382: Action required: Update Microsoft Defender for Endpoint Android App

Update Microsoft Defender for Endpoint Android to version 1.0.9107.0101 or later by mid-September 2026 to avoid disruption in…

https://blog.tophhie.cloud/mc1454382/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
August 18, 2026 at 8:07 AM
MC1455017: New Defender for Identity health alert for missing domain controller network traffic

Microsoft Defender for Identity now includes a health alert for missing domain controller network traffic, he…

https://blog.tophhie.cloud/mc1455017/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
August 18, 2026 at 8:08 AM
MC1440701: MDO Encrypted email attachment protection

Microsoft Defender for Office 365 will introduce an opt-in Safe Attachments policy to quarantine emails with password-protect…

https://www.tophhie.cloud/m365-message-center/message/mc1440701/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
July 27, 2026 at 6:00 PM
MC1438566: Action Required: Defer Upgrade to Microsoft Defender for Endpoint on Linux Build 101.26052.0009

Do not upgrade to Microsoft Defender for Endpoint on Linux build 101.26…

https://www.tophhie.cloud/m365-message-center/message/mc1438566/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
July 24, 2026 at 10:00 PM
MC1431377: Microsoft Defender for Office 365: AIR Investigation Experience Improvements

Microsoft Defender for Office 365's AIR experience will add a manual refresh button, repla…

https://www.tophhie.cloud/m365-message-center/message/mc1431377/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
July 17, 2026 at 10:00 PM
MC1422060: Microsoft Defender for Office 365: Prompt injection protection for email

Microsoft Defender for Office 365 introduces prompt injection protection to detect and block m…

https://www.tophhie.cloud/m365-message-center/message/mc1422060/

#MicrosoftDefenderXDR #Microsoft365 #MessageCenter
July 9, 2026 at 10:00 PM