Glossary · Security
Zero trust
Zero trust is a security model that grants no implicit trust based on network location.
Zero trust is a security model that grants no implicit trust based on network location. Every access request is authenticated, authorized and continuously evaluated. NIST SP 800-207 (2020) defines the reference architecture.
Why it matters at a CIO Cafe table
Terms like Zero trust turn up at tables because the disagreement is usually about scope, not definition. Agreeing what the word means is the cheapest way to shorten a decision — which is why every table starts by framing the question in plain language.