GLOSSARY / Zero Trust
What is Zero Trust?
A security model that trusts nothing by default and verifies every request, inside or outside the network.
Zero trust assumes breach: it enforces least privilege, strong identity verification, device posture checks, and micro-segmentation rather than relying on a trusted network perimeter.
“Never trust, always verify” is the guiding principle.
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Part of the Ciphers Security glossary. Free reference for analysts, defenders & learners.