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How to Prevent Data Breaches: Security Checklist for Devs

Learn how to prevent data breaches with a practical security checklist for software teams, including C# code examples. Secure your .NET apps today. Every week brings another headline about millions of leaked records, and the root cause is rarely an elite hacker. Most incidents trace back to ordinary engineering mistakes: a hard-coded connection string, an endpoint that forgot to check authorization, a password stored with MD5. If you want to know how to prevent data breaches , the answer is not a single product but a discipline your software team applies on every feature. This guide is a practical security checklist for software teams, with runnable C# and .NET examples, explaining not just what to do but why each control matters. Why Data Breaches Happen: The Developer's View Industry reports such as the Verizon DBIR consistently show the same top causes: stolen or weak credentials, web application vulnerabilities, misconfiguration, and human error. Notice that three of tho...