Access the Microsoft Cybersecurity Reference Architectures (MCRA) Guides from MSLearn. We have three different modules covering the key topics.
Access here: https://mslearn.cloudguides.com/en-us/guides/Microsoft%20Cybersecurity%20Reference%20Architectures%20(MCRA)%20-%20People
Access here: https://mslearn.cloudguides.com/en-us/guides/Microsoft%20Cybersecurity%20Reference%20Architectures%20(MCRA)%20-%20Capabilities
Access here: https://mslearn.cloudguides.com/en-us/guides/Microsoft%20Cybersecurity%20Reference%20Architectures%20(MCRA)%20-%20Zero%20Trust%20User%20Access
Additional update:
Access the Youtube Video Series from Mark Simos MSFT here: Microsoft Cybersecurity Reference Architectures (MCRA) Series