Web Security in 2026: Frontend-First Threat Models
By 2026, the collapse of the traditional network perimeter has transformed the frontend into the primary battlefield for web security.
As edge computing, serverless architectures, and AI-driven applications push critical logic into the browser, legacy defenses such as allowlist-based CSPs and server-side filtering are no longer sufficient.
In this article, we examine the transition to a Frontend-First security model, where the browser itself must be weaponized as the primary defense engine.


