{"id":2057,"date":"2025-10-20T11:01:00","date_gmt":"2025-10-20T09:01:00","guid":{"rendered":"https:\/\/showcase-preprod.neverhack.dev\/b\/?p=2057"},"modified":"2026-02-13T12:08:49","modified_gmt":"2026-02-13T11:08:49","slug":"zero-trust-more-than-a-buzzword-limits-maturityand-evolution-best-practices-and-ztna-architecture","status":"publish","type":"post","link":"https:\/\/neverhack.com\/b\/en\/blog\/zero-trust-more-than-a-buzzword-limits-maturityand-evolution-best-practices-and-ztna-architecture\/","title":{"rendered":"Zero Trust: beyond the Buzzword. Limits, maturity and evolution of ZTNA architecture"},"content":{"rendered":"\n

A ZTNA (Zero Trust Network Access)<\/strong> architecture is not a “plug-and-play” product, but a set of interconnected best practices designed to ensure granular and secure access. The core of the model lies in continuous authentication and authorization: every single request is dynamically verified based on identity (via MFA or biometrics) and device health.<\/p>\n\n\n\n

This approach eliminates network visibility for the user by implementing application-level segmentation. The result? A drastically reduced attack surface and the strict limitation of lateral movement in the event of a breach.<\/p>\n\n\n\n

To implement these strategies without compromising business performance, it is essential to rely on managed cybersecurity services<\/a> capable of orchestrating advanced policy engines in real-time.<\/p>\n\n\n\n

Operational criticalities: where does complexity hide?<\/h2>\n\n\n\n

Moving from theory to practice reveals significant obstacles. Managing federated identities across SaaS systems, on-premises infrastructures, and OT environments highlights the limits that Zero Trust doctrine does not solve by default.<\/p>\n\n\n\n

There is a natural friction between security (based on rigid RBAC\/ABAC rules) and the business, which demands fluidity and collaboration with external partners. When rules become too complex, users seek shortcuts, fueling Shadow IT and a bypass of security protocols.<\/p>\n\n\n\n

Furthermore, the legacy world represents a massive challenge: micro-segmenting outdated VMs or non-standardized hardware often creates gaps between declared orchestration and actual enforcement. In this context, solid governance and risk management<\/a> is the only way to balance operational agility with the necessary technical rigor.<\/p>\n\n\n\n

Zero Trust maturity model: measuring progress<\/h2>\n\n\n\n

To navigate this transition, the most authoritative reference is the CISA Zero Trust Maturity Model (ZTMM)<\/a> , which defines an evolutionary path across a maturity scale: Traditional, Initial, Advanced, and Optimal.<\/p>\n\n\n\n

The model is built upon five fundamental pillars:<\/p>\n\n\n\n