Microsoft 365 Security
by Michael Van Horenbeeck
Latest Articles
New hybrid Organization Config Transfer-feature (OCT) announced
Yesterday, Microsoft announced the Organization Config Transfer feature (OCT) in the Hybrid Configuration Wizard. The feature is expected to start showing up starting late June 2018. In an ongoing effort to improve the Wizard, I believe this is a step in the right...
How to leverage (multiple) migration endpoints to speed up migrations to Exchange Online
Last week, at Microsoft's Tech Summit in Amsterdam, I gave a talk about running Exchange Hybrid connections over the long term. In that session, I talked about securing a hybrid deployment and – somewhat related - how to best and securely publish migration endpoints...
Messages more marked as spoofed (and moved to Junk e-mail) in Office 365? You’re not alone!
Update 21/03/2018: Microsoft have dialed back on how quickly messages are marked as spoofed and, thus, moved to the Junk E-Mail folder. However, the guidance is to still properly implement SPF/DKIM/DMARC to be future proof. After all, at some point in the (near)...
Microsoft 365 Security for IT Pros
The Microsoft 365 Security for IT Pros e-book is the definitive guide to understanding and implementing Microsoft’s security solutions. This is the third release of the book, and it continues to be the only resource of its kind, covering Microsoft security solutions in-depth, with regular updates and high praise from readers and industry experts.






