Microsoft 365 tenants usually include many Entra iD apps. These apps hold permissions, including permissions that hackers like to exploit. This article explains how to use PowerShell to detect apps with high-priority permissions and report them to administrators for review.
The GIFShell attack describes how attackers can penetrate Teams to run commands using special GIFs, including the ability to exfiltrate data. One practical and quick way to stop similar attacks is to limit the set of Teams organizations your tenant will communicate with by establishing an allow list for external access.
The great remove basic authentication from Exchange Online project is rapidly approaching the October 1 date when Microsoft will start removing support for basic authentication for seven email connectivity protocols. We've known about this date for well over a year, but some organizations need a little extra time to be ready. Microsoft is offering a one-time three-month extension to January 1, 2023. After that, they're going to proceed with the final termination.
On August 26, Microsoft announced that they will retire Kaizala in August 2023. The Kaizala retirement is not big news because it's been coming for a while. If you want to get ahead of the game, you can remove the Kaizala service plans from the Office 365 licenses assigned to user accounts. We explain how to do the job in an example PowerShell script.
Until the arrival of V3.0 of the Exchange Online management module, Microsoft didn't support using an Azure Automation managed identity with Exchange Online PowerShell. In this article we explore how to use Exchange Online PowerShell with Azure Automation to get work done.
This article covers how to use an Azure managed identity with the Microsoft Graph PowerShell SDK and Microsoft Teams modules in an automation runbook.
Microsoft is not doing a great job of communicating how Microsoft 365 supports the perpetual versions of Office. Use Microsoft 365 apps for enterprise instead seems to be the mantra. Is this a good or bad idea?
This article explains how to write a PowerShell script using Graph APIs to find and remove messages from Exchange Online mailboxes.
Microsoft has extended the deprecation date for the Azure AD license management cmdlets to March 31, 2023. After that time, the cmdlets won't work. The strong recommendation is to replace all the old Azure AD and MSOL license management cmdlets in scripts with Microsoft Graph PowerShell SDK cmdlets or Graph API requests. You have an extra 7 months to do the job, do there's no excuse!
In this article, we consider the best way to use PowerShell to find the set of Microsoft 365 Groups with guest members. And once we find those groups, we can check if they have a suitable sensitivity label.
On the surface, it seems easy to run the Remove-Mailbox cmdlet to permanently remove an Exchange Online mailbox. But when you need to remove inactive mailboxes, things are more complex.
Microsoft's announcement of Viva Engage might just be the thing that gives Yammer a boost and creates a new role for the much-maligned technology inside Microsoft 365.
