Category Archives: Recommended Practices

The video of my session on Backing up and Restoring Virtual Domain Controllers for the Dutch Veeam User Group Meetup is now available

On Tuesday March 19th, I presented a 20-minute session on backing up and restoring virtual Domain Controllers as part of the Veeam User Group Netherlands Meetup. My goal was to offer four tips and tricks to get in to a zen state as an Active Directory admin when worrying about backing up and restoring virtual […]


Join us for a Webinar on Securing and Monitoring Active Directory

On Tuesday June 6th, 2023, I will be presenting a free 60-minute webinar on Active Directory, together with Jay Gundotra of ENow fame.   About this webinar Many large organizations use Active Directory as their primary Identity and Access Management (IAM) solution, synchronizing objects to Azure AD from there. Other organizations keep Active Directory around […]


Join me for my Tech Talk at VeeamON 2023 in Miami

I'm excited to announce that I will be hosting one of the Tech Talks at VeeamON in Miami this year.   About VeeamON VeeamON is Veeam's yearly community event tailored for Data Recovery experts. Just like other conferences, it offers technical sessions. However VeeamON also features celebrations, LabWarz, a playground and the community hub to […]


Best Active Directory Monitoring tool

Today, Active Directory is still the cornerstone of most networking infrastructure environments. In Hybrid Identity environments, where on-premises Active Directory is coupled with Azure AD, the reliance on Active Directory is enormous. In these environments, the answers to the question ‘What if something would happen to Active Directory?’ range from ‘Everything goes down’ to ‘Game […]


You're invited to the IT-University Masterclass – Adequately Securing Active Directory

On February 6th, 2023, I will be presenting a masterclass, together with Raymond Comvalius for Dutch Raymond and I will be presenting on a topic that is close to my heart: Active Directory. Active Directory has captivated the hearts of adversaries. Some ransomware gangs just simply lose interest want the device of a potential victim […]


TODO: Upgrade the Certificates for your Windows Server 2016-based Domain Controllers (and up) to enable Windows Hello for Business Hybrid Scenarios

While many Active Directory environments use the default settings from 2003, other environments have adapted to enable new functionality, like Windows Hello for Business. To do so, the default Domain Controllers certificates and certificate templates need to be replaced, as they do not fulfill all of the requirements set out for them. This blogpost shows […]


A Critical Vulnerability in Netwrix' Auditor may lead to Active Directory and Azure AD compromise

On June 6th, 2022, Netwrix released Auditor v10.5. In this version, a remote code execution vulnerability is addressed. Since Auditor is typically executed with extensive privileges in an Active Directory environment, an attacker would be able to compromise the Active Directory forest and/or Azure AD tenant.   About Netwrix Netwrix empowers information security and governance professionals […]


The End of Mainstream Support is a Time to make an important Decision about Windows Server 2016

Today, January 12th 2022, the Mainstream Support on Windows Server 2016 ended. This Windows Server Operating System (OS) has been with us for the past five years and will remain with us for the next five years, just not as it used to. Therefore, today is a time to make an important decision. The most […]


Hornetsecurity’s 365 Threat Monitor: Get rid of unwanted and potentially dangerous messages

Any messaging administrator will tell you that it’s hard to fight against spam. As we read about most cybersecurity incidents starting with (spear)phishing attacks, it also becomes increasingly clear messaging administrators in small and medium-sized business need to work harder or smarter to protect their colleagues. Messaging in the modern age Many organizations started their […]


Microsoft 365 Backup in terms of your organization’s exit scenario

Organizations flocking to Microsoft 365 services like Exchange Online, SharePoint Online and Teams have many reasons to make this transition.   Reasons to transition to the Microsoft cloud Whether it’s upgrading the IT real estate to the 21st century, the desire to eliminate technical debt, avoiding the upfront cost of a renewed on-premises implementation, or […]