Monterey - Configure macOS to Use an Authorized Time Server

Information

Approved time servers _MUST_ be the only servers configured for use.

This rule ensures the uniformity of time stamps for information systems with multiple system clocks and systems connected over a network.

Solution

This is implemented by a Configuration Profile.

mobileconfig profile info:

com.apple.MCX:
timeServer:
time-a.nist.gov,time-b.nist.gov

See Also

https://github.com/usnistgov/macos_security