Federal agencies can\u2019t just connect their systems to the internet; they need to follow a policy called Trusted Internet Connection to ensure a certain level of security. The policy was recently updated and the Cybersecurity and Infrastructure Security Agency was tasked with providing use cases for guidance and a reference architecture explaining key concepts. The draft documents for the latter include a concept called \u201ctrust zones,\u201d which caused confusion about whether it was related to a popular cybersecurity concept called \u201czero trust.\u201d Nextgov Senior Editor Aaron Boyd talks to the people shaping the program\u2014and a critic\u2014to set the record straight.