The last part of my trilogy is about the weakest link, our employees. Some of the things you will read in this article, you already know from one of the previous two articles. When I write that our employees are the weakest link in a security concept we do not have to take this personally. […]
22/05/2019
In the first part of my small trilogy we have learned about the risks, which are waiting over the Emails. In this article we will have a closer look about most common types of attacks against a company in general. We only can get prepared to defence ourselves against crime methods and attacks we know. […]
14/05/2019
Working in IT shows us that one of the main things we must think about is to defend our organization from several types of cyber attacks. In this and next two articles I am writing about what we must think to stay successful out there in the world wide web. When we talk about […]
08/05/2019
Time by time customers are asking me if it is possible, to move sent mails from shared mailboxes, to the sent items folder of the shared Mailbox. Here is a small Desmond and Alexios example from the Marketing department of Contoso are responsible for the shared Mailbox [email protected]. However, customers are writing emails to this […]
29/04/2019
On March 14th 2017 in New York, Microsoft has announced that MS Teams will be released worldwide. Not sure if at this time it was clear, what MS Teams would become until today (and in the future). Today, every day more and more people are joining Teams. The thing that was missing was a […]
26/04/2019
Thanks to the globalization, companies worldwide are working closer with each other. However, not all companies are using the same messaging solution. In this article, I want to show, how to be able, that Exchange users are able to see the availability (free/busy) of G Suite users. Preparation on G Suite The first thing […]
19/03/2019
In the first part of this series, I described how you can add and remove members to and from Active Directory groups in PowerShell, without using the ActiveDirectory module, but just by using the .Net namespace System.DirectoryServices.AccountManagement. In this part I want to show how you can work with the members of a group, as […]
14/03/2019
A few days ago, I had to configure a few mailboxes for enabling message copy while sending. However, this is not the point at this moment. When I ran the PowerShell command, I got the following output: The error says that this command only works for user or shared mailboxes. In the first moment, […]
26/02/2019
The most popular way to manage Active Directory with PowerShell is to use the cmdlets provided by the PowerShell module ActiveDirectory. Most of you probably know some of these cmdlets and have already used them quite a bit. If so, you probably also know that this module is only available after you install the Active […]
19/02/2019
Working as a consultant for multiple customers forces us to connect multiple times a day to different Exchange Online management shell’s. Everyone has his own way to save the connection command for the Exchange Online PowerShell. I had the command always saved in a ready to use Notepad document. However, since I am always using […]
12/02/2019
Few weeks ago, I was working on a migration project between two independent domains. The project by itself was huge because there were multiple teams working on too. In this project, we had to migrate the Active Directory including the SID history, Exchange SAP Skype for business and much more other things. However, because […]
29/01/2019
The single biggest threat to our business’s online security is malicious emails. As responsible Messaging Administrators/Engineers/Architects, it’s up to us to require email security best practices among our users and institute a security-minded culture within our organization. Contrary to popular myth, the most effective hacking techniques require almost no technical skill. A hacker needs […]
21/01/2019