SQL Injection Prevention & Secure Database Architecture (NodeJS + MySQL)
1. Purpose This document defines the official engineering standard for preventing SQL injection vulnerabilities and ensuring secure database access. This guideline applies to all backend services interacting with MySQL. Our goal is to achieve zero SQL injection risk by architectural design. Not by filtering or detection, but by elimination. It’s a wrong mindset! 2. What is SQL Injection? SQL injection is a web security vulnerability that allows attackers to interfere with queries an application makes to its database. By inserting malicious SQL code into input fields, attackers can view, modify, or delete data, and in some cases, gain administrative control over the application. SQL Injection occurs when untrusted user input is interpreted as SQL code instead of data. ...