security
ASP.NET Core and .NET Security Articles, Tutorials & News
ASP.NET Core and .NET Security articles, tutorials, and news from the DotNetNews archive.
483 articles Updated Page 11 of 20
Browse additional ASP.NET Core and .NET Security articles from the DotNetNews archive.
ASP.NET Core and .NET Security articles
Page 11 of 20
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ASP.NET Core REST API Best Practices: The 2025 Developer’s Guide
isitvritra101.medium.com Issue #324
Learn ASP.NET Core REST API best practices for 2025. Master HTTP methods, status codes, JWT auth, versioning & pagination.
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How to Secure Your .NET APIs with OAuth2 and IdentityServer — Without the Headache
medium.com Issue #324
If you’ve ever tried securing a .NET API using OAuth2, you already know how quickly things can spiral from “simple auth” to a rabbit hole…
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Key Innovations in ASP.NET Core 9 (and beyond)
c-sharpcorner.com Issue #323
Explore ASP.NET Core 9's key innovations: static asset optimization, enhanced Minimal APIs, Blazor improvements, security, and performance boosts for modern web apps.
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GitHub Profile Setup and Security
c-sharpcorner.com Issue #322
Secure your GitHub! This guide covers enabling 2FA with authenticator apps and creating a personalized profile README to showcase your skills and projects. Make a great first impression!
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Understanding the worst .NET vulnerability ever: request smuggling and CVE-2025-55315
andrewlock.net Issue #319
In this post I discuss request smuggling, the recent vulnerability in ASP.NET Core with a severity score of 9.9, and how attackers could exploit it
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Dubious security vulnerability: Denial of service by loading a very large file
devblogs.microsoft.com Issue #318
A denial of service vulnerability report was filed against a program, let's call it Notepad. The actual text of the report was very hard to understand because the grammar was all messed up. I'll give ...
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Simple Image Uploads in a React & .NET Application
medium.com Issue #317
And the API credibility & security concerns you must consider.
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.NET Secrets Management with Azure App Configuration & Key Vault
blog.yaseerarafat.com Issue #315
Ensure Secure, Scalable, and Resilient Secret Management Across All Environments and Regions in .NET
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Managing Permissions with EF Core Migrations (Part 2): A No-Nonsense Guide That Actually Scales
medium.com Issue #315
If you want the full source code, join our community: Here
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Implementing a Custom Authorization Handler in .NET
medium.com Issue #313
If you want the full source code, join our community: Here
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ASP.NET Core Advanced Authorization: Policy-Based Security & Resource Protection Guide (Part-14 of 40)
c-sharpcorner.com Issue #313
Unlock robust ASP.NET Core application security with advanced authorization techniques! This guide delves into policy-based security, resource protection, and custom authorization requirements. Learn ...
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Passwordless Authentication with Microsoft Authenticator App
c-sharpcorner.com Issue #313
This article details how to implement passwordless authentication using the Microsoft Authenticator app with Entra ID. Learn to enable this secure, user-friendly sign-in method, eliminating password-r...
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Module 16 of 40 : ASP.NET Core Middleware Mastery: Custom Logging, Auth & Pipeline Control
c-sharpcorner.com Issue #313
Master ASP.NET Core middleware! This comprehensive guide covers custom logging, authentication, error handling, and pipeline optimization. Learn to build robust and efficient web applications with rea...
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Announcing the .NET Security Group - .NET Blog
devblogs.microsoft.com Issue #311
Learn how to join the .NET Security Group for early access to CVE information and help deliver security patches to your .NET distribution simultaneously with Microsoft.
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JWT Authentication Ninja: Complete ASP.NET Core Security Guide with Refresh Tokens & Claims (Part-12 of 40)
c-sharpcorner.com Issue #310
Master ASP.NET Core security with this comprehensive JWT authentication guide! Learn to implement robust security measures, including refresh tokens, role-based authorization, password policies, rate ...
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Integrating Visa CyberSource in .NET: A Practical Guide
blog.yaseerarafat.com Issue #309
Learn how to integrate Visa CyberSource in .NET for secure, seamless payment processing with best practices…
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ASP.NET Core Identity Unleashed: Complete Guide to Registration, Roles, 2FA & Security (Part 13 of 40)
c-sharpcorner.com Issue #308
Unlock the full potential of ASP.NET Core Identity with this comprehensive guide! Master user registration, role-based authorization, claims, and 2FA. Learn to implement secure identity systems with p...
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ASP.NET Core APIs, validation, and design patterns
DotNetNews Issue #307
A varied .NET roundup covering API design, validation, EF Core, Redis caching, Aspire, security, and newer C# and .NET 9 guidance.
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How to Disarm and Reconstruct Files in C#
cloudmersive.medium.com Issue #306
In this brief article, we’ll provide context for Content Disarm and Reconstruction (CDR) file sanitization in threat scanning workflows…
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Built-in Security in ASP.NET Core
c-sharpcorner.com Issue #306
This article dives into authentication, authorization, data protection, HTTPS enforcement, CSRF/XSS protection, and more. Learn how ASP.NET Core's middleware and integrated tools empower developers to...
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🚪 Azure Bastion: The Hidden Hero for Secure VM Access
c-sharpcorner.com Issue #306
Secure your Azure VMs with Azure Bastion! This often-overlooked service provides secure RDP/SSH access directly from the Azure portal via SSL, eliminating the need for public IPs and open inbound port...
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.NET R&D Digest (September, 2025)
olegkarasik.wordpress.com Issue #301
This issue includes bits of AI, software development, learning, C#, performance, security, C, programming languages, ruby, and of course .NET and .NET Internals.
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How to Secure Your ASP.NET Core Web API with API Key Authentication in .NET
medium.com Issue #300
In today’s interconnected world, securing your APIs is not optional — it’s essential. Whether you’re building microservices, mobile… Continue reading on FullStack Web Development »
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C# .NET 9: How to Use Safety Annotations to Eliminate NullReferenceException
medium.com Issue #300
NullReferenceException is often called the billion-dollar mistake. Even with nullable reference types introduced in C# 8, there are still…
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🚀 Top 20 Proven Ways to Optimize Docker Images and Improve Performance
c-sharpcorner.com Issue #300
Unlock peak performance with these 20 proven Docker image optimization techniques! Learn how to minimize image size, enhance security, and accelerate deployments. From choosing minimal base images and...