Teams

Latest Articles

Update Teams External Access Configuration With PowerShell

The Teams external access configuration includes an allow list that defines which Microsoft 365 tenants are allowed to collaborate with your users through chats and meetings. To make sure that your allow list is complete, we can check the guest accounts present in the tenant and update the configuration with the domains used by guests. All in a matter of some straightforward PowerShell code.

September 15, 2022

Stop GIFShell Attack by Modifying Teams External Access

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.

September 9, 2022

Security Updates for Exchange, Where’s Mesh for Teams & Did you miss something when you migrated? Practical Podcast S3 Ep.9

In this week's show, Paul and Steve discuss the new Apple Silicon version of Teams: It was here, now it isn't - why? Exchange Server receives security updates; with Facebook getting a bashing for their Metaverse contributions, will Mesh for Microsoft Teams ever see the light of day; and Exchange Online changes that might affect software you use. Plus - Sean McAvinue and Jason Jacobo join us to help answer the question - what did you leave behind in your migration?

August 26, 2022

Microsoft Teams Private Chat Migration Challenges Explained

Every large tenant to tenant (T2T) migration faces daunting challenges when it comes to Microsoft Teams private chat migrations. The primary challenges are around throughput performance and content fidelity. This post will outline the difficulties you will likely face in your Teams migration project for private chats so you can prepare your project plan accordingly.

June 14, 2022