Top 20 NuGet security Packages

Expands client certificate validation using a certificate store. Also provides a UI for managing the certificate store.
Utility for reading and writing application personal data
Express Security is an easy to use wrapper for security implementations inside your .NET applications. The latest version of ExpressSecurity abstracts 2 popular hashing and 2 popular encription mechanism that can be used anywhere on your application. With lot of ease. APIs exposed and clear consista...
ASP.NET Core security middleware enabling QyWechat authentication.
Contains classes and utilities for security and data protection operations
This package it's an easy way to enable PKCE (Proof Key for Code Exchange) in ASP.NET Core application. PKCE it's an extension to OAuth 2.0 for public clients (e.g., native and single-page applications) has been designed to prevent interception of authorization code.
Provides commonly used configuration extensions for SwaggerGenOptions
Express Micro Permissions allows you to micro manage user defined permissions. Create permissions and permission groups and assign to users. It works with EF Core and SQL Server
Owin Middleware to handle authenticating with Azure AD
Support for Content Security Policy for ASP.NET applications. New in version 1.0.10 - Full support for the 1.0 version of CSP. Includes some breaking config changes in preparation for the 1.0. "options" is no longer available. The options have now been moved to allowedScriptSources unsafeAl...
A assembly to make it easier to encrypt and hash.
.Net library to simplify cryptography in so developers will actually use it
The AzMan authorization provider allows the use of Windows Authorization Manager (AzMan) in conjunction with the Security Application Block.
Config file configurable principal permissions.
Takes untrusted (X)HTML and massages it into real, trusted XHTML. While plenty of effort goes into preserving the original intent, markup validity and safety is the first priority. It's particularly useful with content management systems where users are in control of markup, but you want to target X...
Security Library for NHibernate
An easy-to-use management system for the ASP.NET Membership system built for ASP.NET MVC 3 applications. This application comes complete with an Area, Controllers, Views and everything you need to start managing your ASP.NET MVC 3 application immediately.
A shared library with web security tiny membership providers and base functionality for building ASP.NET custom membership providers. Currently it holds only XML membership providers - a migration of ASP.NET XMLProviders for .NET 4
A shared library with web security tiny membership providers and base functionality for building ASP.NET custom membership providers. Currently it holds only XML membership providers - a migration of ASP.NET XMLProviders for .NET 4
A collection of nuget console power shell extensions to work with Local STS