The Journey to Zero Trust

In a Zero Trust world, the perimeter is everywhere—and microsegmentation is key to controlling it. This guidance from CISA and NSA helps agencies implement microsegmentation strategies that limit lateral movement and improve containment of threats. It outlines architectural principles, key challenges, and actionable steps to align with Zero Trust maturity models. By segmenting systems smartly, organizations can better isolate risk without compromising performance or mission needs.