The Browser Is Not a Security Boundary

Photo by Zulfugar Karimov on Unsplash Modern web applications increasingly push business logic into the frontend. React, Angular, Vue, SPAs, mobile-hybrid applications, GraphQL-driven interfaces, and API-first architectures have transformed how applications are built. This shift brought major benefits: faster UI responsiveness; improved user experience; reduced backend rendering complexity; and rapid development velocity. But it also reinforced one of the most dangerous recurring security failur