John Kindervag has authored a very informative CSA Zero Trust and Industry Insights blog post for the CSA ZT Advancement Center entitled Understanding the Two Maturity Models of Zero Trust. It summarizes, compares and contrasts the new version of the CISA Zero Trust Maturity Model and the 2017 Forrester Maturity model that he developed in 2016 while working for Forrester.Link to the blog post: https://cloudsecurityalliance.org/blog/2023/05/17/understanding-the-two-maturity-models-of-zero-trust/