CISA has released a draft version of Applying Zero Trust Principles to Enterprise Mobility for public comment. The paper guides federal agencies as they evolve and operationalize cybersecurity programs and capabilities, including cybersecurity for mobility. The public comment period will close April 18, 2022.
https://www.cisa.gov/sites/default/files/publications/Zero_Trust_Principles_Enterprise_Mobility_For_Public_Comment_508C.pdf