There are many ways in which you can improve the security of your Exchange Online environment. In this article, Sean McAvinue details the most important steps that admins can immediately implement to align Exchange Online tenants with a good security baseline and posture.
About Sean McAvinue
Configuring Microsoft Defender for Office 365
Microsoft Defender for Office 365 (Previously Office 365 Advanced Threat Protection) is a suite of tools/policies that provides powerful protection for your Office 365 environment. This article explores the various tools available at the different licensing levels and shows how Preset Policies and Configuration Analyzer can help you quickly align with the guidance provided, allowing you to focus on the settings that matter the most in your environment.
How to Report Teams Channel Storage with Microsoft Graph API and PowerShell
Within large organizations utilizing Teams, generating reports on channel storage and then migrating this data is extremely difficult. To help map out how Teams uses SharePoint, this article introduces a simple Graph API/PowerShell script to report Teams channels and their SharePoint locations and walks you through the steps so you can run the report yourself.
Creating Custom B2B Guest User Invitations with Graph API
Azure AD business-to-business guest user accounts are a terrific way to securely grant access to apps and services for external users and partner organizations. In this article, a script is introduced that can be used to automate the guest user invitation process, integrating it more seamlessly with any custom applications.
Prepopulating Outlook Contacts with the Graph API
When contacts are added to an organizations Global Address List (GAL), they do not always populate in the users personal device contacts depending on what app, device, etc. is being used. This becomes problematic when users working from outside the office are unable to contact the IT Service Desk, HR, or other internal services. To solve the problem, this article introduces a PowerShell script that will read a set of standard contacts from a CSV file and write them as personal contacts to user mailboxes. Mobile devices can then synchronize these contacts along with others created by the user.