Youzan Coder

Jan 18, 2019 · Information Security

Security Architecture and Data Masking in a Big Data Platform

The article outlines Youzan’s evolving security architecture for its big‑data platform—starting with Apache Ranger‑based permission control, moving to a centralized permission‑management service for easier requests and audits, and finally implementing column‑level masking via SQL rewriting to protect sensitive data while balancing usability.