{"id":38753,"date":"2026-02-23T17:45:15","date_gmt":"2026-02-23T17:45:15","guid":{"rendered":"https:\/\/fidelissecurity.com\/?post_type=glossary&p=38753"},"modified":"2026-02-24T18:06:36","modified_gmt":"2026-02-24T18:06:36","slug":"zero-trust","status":"publish","type":"glossary","link":"https:\/\/fidelissecurity.com\/es\/glossary\/zero-trust\/","title":{"rendered":"Zero Trust"},"content":{"rendered":"\t\t
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t
\n\t
\n\n \n
\n <\/path><\/path><\/path><\/path><\/path><\/path><\/path><\/path><\/path><\/path><\/g><\/circle><\/circle><\/path><\/g><\/svg> <\/div>\n \n \n <\/div>\n
\n
\n

Zero Trust Defined<\/h2> <\/div>\n

Zero Trust is a cybersecurity framework that operates on the principle of \u00abnever trust, always verify.\u00bb It assumes that threats can originate from both outside and inside an organization’s network, so no user, device, or application is trusted by default, regardless of whether it is inside or outside the traditional network perimeter. Every access request is continuously verified to ensure security.<\/p><\/div> <\/div>\n <\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

What Is Zero Trust Security?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Zero Trust security enforces strict identity verification and access controls for every user and device attempting to access resources within a network. This approach eliminates implicit trust and requires continuous authentication, authorization, and validation of security configurations and user behavior to protect sensitive data and critical assets.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

What Is the Zero Trust Model?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

The Zero Trust model is a comprehensive security strategy that integrates people, processes, and technology to enforce least privilege access, continuous monitoring, and microsegmentation. It replaces traditional perimeter-based security, which assumes users inside the network are trustworthy, with a model that treats every access attempt as potentially malicious until verified.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

What Is Zero Trust Network Access (ZTNA)?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Zero Trust Network Access (ZTNA) is a technology that implements Zero Trust principles by providing secure remote access to applications and services. Unlike traditional Virtual Private Networks (VPNs), ZTNA grants access only to specific resources based on strict authentication and authorization policies, minimizing the attack surface and preventing lateral movement within the network<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

Key Concepts of Zero Trust<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Zero Trust centers around several key concepts including continuous verification, least privilege access, microsegmentation, and the assumption of breach. It requires robust identity and access management, endpoint security<\/a> solutions, and granular access controls to protect an organization\u2019s digital assets in increasingly complex and distributed IT environments.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

Core Principles of the Zero Trust Model<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

The Zero Trust model is founded on three core principles that guide its implementation to enhance security and reduce risk:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t
\n\t\t\t\t\t

The Three Core Principles of Zero Trust<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t