Input Validation and Secure Coding Essentials
Input Validation and Secure Coding Essentials Input validation is the first line of defense in any secure software. It helps prevent unexpected data from entering your system and reduces the risk of errors, crashes, and attacks. When data is checked early, you can stop many problems before they grow. This article shares practical ideas you can apply right away, from simple checks to deeper, defense‑in‑depth practices. Why input validation matters Bad input can lead to broken logic, corrupted data, or attackers gaining access. Server side validation matters even if client checks exist, because client data can be bypassed. Validating data keeps models consistent, protects databases, and makes errors easier to diagnose. In short, good validation saves time and reduces risk. ...