ZTA
Zero Trust is a security paradigm based on the principle never trust, always verify — eliminating implicit trust based on network location and requiring continuous verification of every user, device, and connection before granting access.
⚙️ How Does It Work?
ZTA implements strong identity verification (MFA, passwordless), device health checks, least-privilege access (JIT, microsegmentation), continuous monitoring, and assumes breach. Every access request is evaluated as if from an untrusted network.
📍 Where Is It Used?
Modern enterprise security architecture — mandated for US federal agencies (OMB M-22-09), adopted by enterprises replacing VPN-centric perimeter security.
💡 Real-World Example
Traditional model: VPN users inside the network can access everything. Zero Trust: an employee's laptop must pass compliance checks, she must authenticate with MFA, and she gets access only to the specific application she requested — from anywhere, no implicit trust.
🔗 Related Terms
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