"Zero Trust is a cybersecurity strategy and framework that embeds IT security mechanisms throughout an architecture that generate metadata used to secure, manage, and monitor every device user, application, and network transaction at the perimeter and within every network enclave."
From the Department of Defense (DoD) Zero Trust Reference Architecture v1.0
President Joe Biden signed the National Defense Authorization Act (NDAA) for fiscal year 2022 (FY22) into law on December 27, 2021. It authorizes $770 billion in defense spending which is a 5% increase over last year. This marks 61 consecutive years that a bill received bipartisan support from congress (a display of agreement that has become increasingly rare for DC politics).