---
title: Enforce Authorization At Trusted Service Layer
impact: CRITICAL
impactDescription: prevents client-side authorization bypass
tags: authorization, server-side, middleware, access-control, security
---

## Enforce Authorization At Trusted Service Layer

This rule ensures high quality and security in Python and PySpark applications.

**Implementation Guidance:**
- Follow standard Python best practices (PEP 8)
- Use type hints for better clarity
- For PySpark, prefer DataFrame API over SQL strings where possible
- Ensure proper resource management (using \`with\` statements)