How you do implement basic security policies for your company’s Office 365 system? As mail systems are usually the main target for your average cyber criminals, a quick strategy was needed to harden the first line of defense against this attack vector. The measures I came up with are luckily not any kind of rocket science and easy to implement even by not so experienced O365 admins, as they are well established and around for quite a while by now. But they are a great way to harden your network and protect your users against cyber criminals with just a few hours of work. This is a three part series, starting with how to implement DMARC for your Office 365 Exchange Server.
Read more...I recently had to write some code to provide a one time link functionality, where links will be invalidated and the underlying files will be deleted as soon as they are accessed once. This brought me to the idea, we will take a look at today. I basically wanted to create a REST API for a link shortener service.
Read more...On the 02/22/2020, the first PowerShell Saturday Hamburg took place and what a day it was!
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