Tech Screening

Frontend security boundary

Why can hiding a button never enforce authorization, and what security responsibilities still belong in the frontend?

What this task practices

Frontend security boundary is a tech screening interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as easy difficulty. It focuses on Tradeoffs, Validation, Technical Reasoning. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.