That’s what happens when least privilege isn’t real, but a theory left on a whiteboard. In software, least privilege means every user, process, and service gets only the exact access it needs—nothing more. Too little and work stops. Too much and the blast radius multiplies with every breach.
An MVP built with least privilege from the start avoids both extremes. You launch faster. You scale safer. And you skip the hard, expensive refactor when your prototype turns into a production system.
The trap is to think of least privilege as an afterthought. Waiting until your app grows means more roles, more permissions, more confusion. Access control becomes a mess of one-off rules nobody dares touch. The only way to keep it clean is to make it part of your earliest architecture, your first lines of code, your first deploy.
Define roles before you create features. Map resources before you add endpoints. Tie permissions to clear, verifiable scopes. Automate enforcement so it doesn’t rot when you ship new features under pressure. Build tooling that shows you the full access graph in seconds, not hours.