Control Alt Delete Tech Bits
About Mark Oldham
I create practical guides for Microsoft Entra ID, Intune, Microsoft 365 security and Windows 11. The aim is to give IT administrators and technicians instructions they can understand, test and apply.
Experience and published work
- Hands on Microsoft Entra ID, Intune, Windows 11 and Microsoft 365 guidance.
- Author of the Windows 11 Ultimate Guide, published by Leaf Publishing.
- Contributor to The Independent on consumer VPNs and cybersecurity.
- Video tutorials and walkthroughs on the Control Alt Delete Tech Bits YouTube channel.
How the guides are written
Guides focus on clear steps, practical testing and the details an administrator needs before changing a tenant or device configuration. Corrections and reader feedback are welcome.
Get in touch
For technical writing, documentation, content editing or Microsoft 365 training material, use the contact page or connect through the profiles below.
Editorial and advertising
Advertising helps support the site. Sponsored relationships should not change the technical conclusions in a guide. Privacy and cookie information is available in the site policies.