With the release of the National-Cybersecurity Strategy document issued from the U.S. White House, Zero Trust (ZT) has become a vital topic to the industry. ATIS launched its Enhanced Zero Trust and 5G group in June 2022, which completed work to landscape ZT and 5G, helping the industry to align with the National-Cybersecurity Strategy. That landscape defined key ZT terminology, identified important 5G use cases, and provided a gap analysis between 3GPP’s Zero Trust study TR 33.894 and NIST’s Special Publication 800-207. To further this work, the group is currently launching a new phase that will map CISA Cyber Performance Goals to Zero Trust Architecture (ZTA) and produce industry-leading recommendations for mobile critical infrastructure, including network functions and application in cloud native deployments. These efforts will culminate in recommendations and best practices for the industry.