Microsoft product going End of Life 2022 /2023

Hi everyone, lot of companies rely on old operating systems, but one day they should be replaced by newer ones. Keep that in mind and plan your migration in time. Today I get the mail from Exchange Team which reminds the upcoming retirement of Exchange 2013. Operating System Windows Server 2012/2012R2 Operating System Windows 8.1 …

Append E-Mail banner for external mails in Exchange Online E-Mail Tagging

Lot’s of cyber attacks are based in malicious e-mails and use the good faith of users. That’s why you should train and sensitize your users. A simple and effective way is to visualize the danger with a small banner. In this article you get the information to create a rule with an “caution” banner. In …

Exchange 2013 /2016 / 2019 Securitypatch May 2022 KB5014261 with AD prep

There are some news about security patches for exchange systems around the world. As every time these patches are urgent ;-), but patching is not the only thing you have to do. IMPORTANT: after installing SU you need to execute an additional AD prepSee the original post from exchange team https://techcommunity.microsoft.com/t5/exchange-team-blog/released-may-2022-exchange-server-security-updates/ba-p/3301831 But before here is …

Multifactor Auth like a boss using YubiKey Part 2

Keepass and YubiKey If you like to know more about using YubiKey in the web and with Microsoft 365 see this link: Keepass and YubiKey can be combined and you can secure your local keepass database with multifactor authentification. How does it work? First you need another keepass addin (KeeChallenge). Also you have to execute …

Multifactor Auth like a boss using YubiKey Part 1

Most of the time, I’m searching for new products and software which makes life easier but has no lack of security. One of this product (in my personal opinion) is YubiKey from Yubico. In this article I’m describing some basic settings and also some use cases for additional authentication with the YubiKey. First we need …