Top 20 NuGet Security Packages

Yoti .NET SDK, providing Yoti API support for Login, Verify (2FA) and Age Verification
Rebex.Imap is part of Rebex Secure Mail - a set of mail libraries that provide all you need for sending, receiving, encrypting, decrypting, signing, verifying, loading, saving and processing e-mail messages. Includes IMAP, EWS (Exchange Web Services), POP3 and SMTP clients; a high-level MailMessage ...
Rebex.Smtp is part of Rebex Secure Mail - a set of mail libraries that provide all you need for sending, receiving, encrypting, decrypting, signing, verifying, loading, saving and processing e-mail messages. Includes IMAP, EWS (Exchange Web Services), POP3 and SMTP clients; a high-level MailMessage ...
OWIN middleware for doing claims transformation in OWIN/Katana applications.
Helper library for claims based identity & access control in ASP.NET Web API v2.
NWebsec middleware for OWIN applications. NWebsec helps you set important security headers and detect potentially dangerous redirects. See project website for documentation.
This library provides shared functionality for the NWebsec ASP.NET security libraries.
A forms authentication provider for Nancy.
JsonWebToken DelegatingHandler for ASP.NET Web API
Includes types that provide support for creating, serializing and validating JSON Web Tokens.
Entity Framework storage for Rsk.IdentityServer4.Saml
Rebex.Pop3 is part of Rebex Secure Mail - a set of mail libraries that provide all you need for sending, receiving, encrypting, decrypting, signing, verifying, loading, saving and processing e-mail messages. Includes IMAP, EWS (Exchange Web Services), POP3 and SMTP clients; a high-level MailMessage ...
The simple and easy RavenDB Identity provider for ASP.NET Core. Use Raven to store your users and logins with just a few lines of code.
Light-weight class library implementing Datagram Transport Layer Security (DTLS) Version 1.2, as defined in RFC 6347. Supports Pre-shared keys and AES CCM. Loosely coupled communication layer interface. DTLS over UDP has predefined interfaces.
Library of base Windows Form and WPF Window extensions and dialogs, including those needed for implementing role-based security inside a Windows application.
Support for storing data protection keys in Redis.
ASP.NET Core Extensions for CredHub Client
Official .NET SDK for the Okta Authentication API.
Includes types that provide support for Reading / Writing XML with Enveloped Signatures.
Enables a service to authenticate to Azure services using the developer's Azure Active Directory/ Microsoft account during development, and authenticate as itself (using OAuth 2.0 Client Credentials flow) when deployed to Azure.