Zero Trust Networks

Zero Trust Networks is a security model that assumes no implicit trust for any user, device, or network component, regardless of location. It requires strict identity verification and least-privilege access controls for every access request, moving away from traditional perimeter-based security. This approach continuously validates security posture and enforces policies based on context, such as user identity, device health, and data sensitivity.

Also known as: Zero Trust Architecture, Zero Trust Security, ZTNA, Zero Trust Network Access, Zero Trust Model

Why learn Zero Trust Networks?

Developers should learn Zero Trust Networks to build secure applications in modern environments like cloud, remote work, and hybrid infrastructures, where traditional network perimeters are ineffective. It's crucial for protecting sensitive data, complying with regulations (e.g., GDPR, HIPAA), and mitigating threats like insider attacks and data breaches by implementing granular access controls and micro-segmentation.

Learning Resources

• docs: NIST Special Publication 800-207: Zero Trust Architecture
• docs: Google BeyondCorp: Zero Trust Security Model
• book: Zero Trust Networks: Building Secure Systems in Untrusted Networks (Book)
• docs: CISA Zero Trust Maturity Model
• tutorial: Microsoft Zero Trust Deployment Center