Smart Tech Academy

 For building web applications or APIs, securing the database should be one of the top priorities. Even a small oversight can lead to data breaches, leaked user information, or corrupted systems. In this post, I’ll walk through 7 common mistakes developers make when handling databases —and how to avoid them with real-world solutions.  1. Storing Plaintext Passwords Never, ever store passwords as plain text. What’s the risk? If the database gets leaked, all user credentials are exposed.  How to fix it: Use strong hashing algorithms like bcrypt or argon2 with proper salting. For example, in Node.js:  2. No SQL Injection Protection SQL injection is one of the most common (and dangerous) web vulnerabilities. What’s the risk? Attackers can manipulate the SQL queries to access or destroy data.  How to fix it: Use prepared statements or parameterized queries . Avoid string concatenation. For example, in Node js:  3. Exposing Database Ports to the Public...