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Article
Secrets in memory can outlive their intended use, appear in dumps, and leak through logging or diagnostics. This article explains how C# secure string handling reduces exposure, where …
Article
Unhandled async exceptions can turn a transient failure into a service outage. This article explains how C# async/await exception handling works, which patterns to use, and what to …
Tutorial
This tutorial shows how to use C# async and await for secure network programming, from prerequisites and implementation to validation, timeout handling, and production checks.
Article
File upload validation is only safe when it inspects the stream, not just the filename. Learn how to validate C# uploads with size limits, content checks, and production-ready …
Article
JWTs are a practical way to secure C# APIs, but authentication and authorization are often conflated in implementation. This article explains how JWT-based access control works, where it …
Article
JWT authentication in ASP.NET Core is a practical way to secure APIs when you need stateless access control, clear token validation rules, and predictable service-to-service behavior. This article …
Article
C# async/await deadlocks usually appear when asynchronous code is blocked synchronously or when continuations try to resume on a captured context that is already occupied. This article explains …
Article
Use RSA-signed JWTs in C# when you need stronger key separation, safer validation boundaries, and predictable API authentication behavior. This article explains how RSA signing changes the trust …
Article
System.Text.Json can deserialize safely when you control the target types, reject unknown input early, and validate the resulting object graph before use. This article explains the operational risks, …