Exchange

Hi All, Today i learned about the new Work Hours in Outlook an Microsoft Teams You can also find this Information on the M365 Roadmap In your Outlook on the Web Calendar you can set the Location (Office or Remote) And add the Location to your working hours Does not work in Outlook for Windows yet (comes in Q4 2023) You can also find this Information on the M365 Roadmap

Hi All, Back in January, Microsoft has annouced that the Exchange Online Transport Rule (ETR) Condition “Attachment ist Password protected” will now also support PDF Files. You can read the Documentation: Use mail flow rules to inspect message attachments in Exchange Online If you look at a PDF (File > Properties) Security > Show details Note: Files with “Permissions Password” (Print, Edit and Copy Blocks with Password) are not affected by the Condition “Attachment ist Password protected”

Hi All, In the last few Weeks the new funcionality of the Message Recall in Exchange Online have been arrived at my Tenant. Already in February 2023 the Exchange Team Blog has announced the Cloud-based Message Recall in Exchange Online. To Enable that you need to configure it in the Exchange Online Organization Config or by now it should alredy be deployed Set-OrganizationConfig -MessageRecallEnabled $true Set-OrganizationConfig -RecallReadMessagesEnabled $true Get-OrganizationConfig | fl *recall* You can see part’s of it also in Exchange Admin Center Settings

Hi All, Yesterday Microsoft has released the ExchangeOnlineManagement 3.2.0-Preview3 to PowerShell Gallery. ExchangeOnlineManagement 3.2.0-Preview3 https://www.powershellgallery.com/packages/ExchangeOnlineManagement/3.2.0-Preview3 Release Notes: v3.2.0-Preview3 : 1. Bug fixes in Disconnect-ExchangeOnline. 2. Bug fixes in Set-DefaultTenantMyAnalyticsFeatureConfig. 3. Preview of REST based cmdlets for SCC powershell: Added UseRPSSession parameter to Connect-IPPSSession Let's check what Module is installed and whats available from the PowerShell Gallery Get-InstalledModule ExchangeOnlineManagement -AllVersions Find-Module ExchangeOnlineManagement -AllowPrerelease Now let's uninistall the old Preview2 Module and install Preview3 Uninstall-Module ExchangeOnlineManagement -AllowPrerelease -Force Install-Module ExchangeOnlineManagement -AllowPrerelease -Force Get-InstalledModule ExchangeOnlineManagement -AllVersions Now you can use finally use REST Based Connection for Security and Compliance.

Hi All, Almost a Year ago, Microsoft has anounced faster Quarantine Options. They anouced 1 Hour and changed it later to 4 Hours. This change has now arrived in my Tenant. Simplifying the Quarantine Experience - Part Two https://techcommunity.microsoft.com/t5/microsoft-defender-for-office/simplifying-the-quarantine-experience-part-two/bc-p/3806804/ Microsoft 365 Defender > Threat Policies > Quarantine Policy Or go direct to the Quarantine policy and select "Global settings" https://security.microsoft.com/quarantinePolicies Now you can change the Quaranine Notification frequency between 4 Hours / Daily / Weekly

Hi All, As a Messaging Engineer / Architect i am well familiar with all the Messaging Standards that help to improve the Security of your Domain. Check out my Get-Mailprotection.ps1 Script Basics about SPF / DKIM / DMARC SPF / DKIM / DMARC DMARC Advisor - so far the best DMARC Reporting Tool DMARC Advisor Lately there has been an Anoucement that Exchange Online will also send DMARC Aggregate Reports (RUA) if the MX Points directly to Exchange Online.

Hi all, Did you notice the "Honor DMARC Policy" in the Microsoft 365 Defender AntiPhishing Policy? A few weeks ago there was a Setting in the GUI but that has been vanisched there. The Setting is still available with PowerShell. As you can imagine, i was very surprised that this Setting is no longer in the GUI A few Weeks ago, there was this Setting in the Policy Now it's only available in PowerShell Get-AntiPhishPolicy | ft name Get-AntiPhishPolicy -Identity "

Hi All, I've heard from OneNote Phishing in the last few Months. That seems to be a new way of Attack. Sadly i don't know the exact details of that Attack. What came to my mind was to block OneNote Attachments in the Malware Filter. Microsoft: Besserer Schutz vor riskantem OneNote-Phishing geplant https://www.heise.de/news/Microsoft-Besserer-Schutz-vor-riskantem-OneNote-Phishing-geplant-7543318.html Also Microsoft want's to improve here according to the M 365 Roadmap https://www.microsoft.com/de-ch/microsoft-365/roadmap?filters=&searchterms=122277 I've checked the OneNote file Extensions on my Computer

Hi All, Yesterday a new Preview Version of the ExchangeOnlineManagement PowerShell Module has been released to the PowerShell Gallery. ExchangeOnlineManagement 3.2.0-Preview2 https://www.powershellgallery.com/packages/ExchangeOnlineManagement/3.2.0-Preview2 Check what Module is installed and what's available from the PowerShell Gallery. Get-InstalledModule ExchangeOnlineManagement Find-Module ExchangeOnlineManagement -AllowPrerelease To install the Module Side by Side you have to use the -Force Parameter Install-Module ExchangeOnlineManagement -AllowPrerelease -Force Get-InstalledModule ExchangeOnlineManagement -AllVersions Make sure the new Module is loaded Import-Module ExchangeOnlineManagement Get-Module

Hi All, There is a Outlook Escalation of Privilege Vulnerability in Outlook. Tony Redmond has explained that very well Outlook Elevation of Privilege Vulnerability Leaks Credentials via NTLM https://practical365.com/cve-2023-23397-ntlm-vulnerability/ Microsoft Outlook Elevation of Privilege Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23397 Exchange CSS has released a Script to test and mitigate CVE-2023-23397 script https://microsoft.github.io/CSS-Exchange/Security/CVE-2023-23397/ Exchange On Prem You need to have an RBAC Admin Role that allows Application Impersonation and assign an Account. If you don't have that Role you can create it New-RoleGroup -Name "