For the last couple months I’ve used most of my free time on studying and hacking Azure AD admin APIs. As a result, I’m finally publishing the first (beta) version of the AADInternals PowerShell module.

By default, any user of Office 365 or Azure AD tenant can read the content of Azure AD using PowerShell and Graph API Explorer. This is a serious security issue because users have undetectable access to other users’ personal data, which violates for instance GDPR. In this blog, I’ll tell how to prevent the access.

Microsoft Teams has been available for free since July 2018. In this blog, I’ll deep dive to its technical details.

I’ve recently noticed that many organisations moving to Office 365 are struggling with their current on-premises non-routable UPNs. In this blog, I’ll show how to use Office 365 without altering on-premises UPNs.

In June 2018 the existence of secret Office 365 forensics tool was confirmed. The tool refers to Microsoft’s undocumented Exchange Online Activities API. The API provides access to a granular mail activity events for up to six months old data!

To provide administrators with easy access to the API, I created a PowerShell module (EXOMailActivity). In this blog, I’ll show you how to use the module to get access to mail activity data.

Office 365 groups is a great way to promote collaboration between people inside and outside organisations. By default, users are able to create groups freely, making their use easy. However, in many organisations, this has led to chaos.

In this blog, I show how you can get back the control of Office 365 groups, Teams and Planner.

Have you ever faced a situation, where a user takes a longer than 30-day leave, and you would like to save money spent on Office 365 licenses but still preserve user’s mailbox?

In this blog, I tell you how!

It still surprises me how few know that Office 365 includes a full-fledged email encryption solution, Office Message Encryption (OME). A “new OME”, built on top of Azure Information Protection, has been available for some time now. In this blog, I’ll tell you how to setup and customise the new OME.

In short, no it’s not. In this blog, I’ll tell you three reasons why.

Did you know that you could get a free custom domain for your Office 365 or Azure AD tenant?

Azure AD PowerShell module was earlier installed by a standard .msi package. Now you can install it using one PowerShell command. However, installation requires PowerShell 5 or newer.

In this blog, I will describe a security vulnerability I discovered and reported to Microsoft in October. The vulnerability was disclosed in LIVE!360 TECHMENTOR event in Orlando on Nov 16th 2017.

LIVE!360 event started today at Loews Royal Pacific Resort in Orlando.

If you are using Microsoft DNS for Office 365 DNS records, you can create the required records easily with PowerShell.

PowerShell profile makes connecting to Office 365 a lot easier!

By default, AD FS only supports SSO with Internet Explorer. However, you can easily enable support for Google Chrome, Firefox, and Edge.

Welcome to my Office 365 blog!

In this blog I’ll discuss about various aspects of administering Office 365 suite.