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How to Hash Passwords in C#: PBKDF2 & bcrypt Guide

Learn password hashing in C# the right way: salting, PBKDF2, bcrypt, and ASP.NET Core Identity, with runnable .NET code and best practices. Read the guide now. If your app stores user passwords, how you store them can decide whether a database breach is a small problem or front-page news. Password hashing in C# is one of the most important security skills a .NET developer can have, and it's also one of the most often done wrong. This guide explains what hashing and salting actually do, why plain SHA-256 isn't good enough, and how to use PBKDF2 , bcrypt , and ASP.NET Core Identity's PasswordHasher correctly. Every example is runnable code for modern .NET (8, 9, and 10). Whether you're a beginner looking up "how to hash a password in C#" or a senior engineer checking your team's approach against current OWASP guidance, you'll find practical, production-ready answers here. Why You Should Never Store Plain-Text or Encrypted Passwords Start with...