Top 20 NuGet Security Packages

ASP.NET 4.x Resource Server components for consuming OAuth tokens genetrated by an Authorization Server based on OAuth.AspNet.AuthServer

EntityFramework plugin for implementing database security.

Allows you to perform user authentication via DigitalOcean, Facebook, Foursquare, GitHub, Google, Instagram, LinkedIn, MailRu, Odnoklassniki, Salesforce, Twitter, VK (Vkontakte), Windows Live, Yandex just in two method calls.

Asp.Net Owin middleware for SharePoint Add-ins for Asp.Net MVC 5

The DelSole.AuthService library provides client Bearer authentication against Web API with support for authenticated GET, POST, PUT, DELETE requests

Common components for building a web based platform.

SecurityLayer - Domain

A library for enabling ASP.Net Identity to work with Umbraco front-end members. Original code used a SqlCe data store. This one uses a MySql database rather than a Sql CE database

An owin middleware for JWT tokens and optional cookie parsing with an owin signin delegate.

A C# library to provide Steam Mobile Authenticator functionality

Services for managing and hashing passwords.

WebApi.BasicAuth provides HTTP Basic Authentication with usernames and passwords stored in Web.config.

This utility makes writing secure websites easier by wrapping the query string System.Web.HttpRequest's QueryString, Form, and Cookie properties with an easy-to-extend sanitizer.

This utility makes writing secure MVC websites easier by allowing action parameters to be passed as UnsafeValue objects.

Lazy authentication OAuth2 allows you to easily add OAuth to your owin projects.

DSInternals SAM implements a client for the Security Accounts Manager Remote Protocol (SAM-R) and Local Security Authority Remote Protocol(MS-LSAD or LSARPC). It can be used to import password hashes into Active Directory or to query and modify LSA Policy.

Forked from https://github.com/has-taiar/SQLite.Net.Cipher with some fixes.

ASP.Net Core middleware that enables an application to support Discord's OAuth 2.0 authentication workflow.

Saml2 IdP Owin Middleware

ASP.NET Core middleware that enables an application to support the Baidu Account authentication workflow.