Top 20 NuGet Security Packages

Dead simple user authentication for C# with support for 2FA.
Behavior that handles a token un message header, between request
It can be used to authenticate users against the on-premise ADFS 3.0 which is part of Microsoft Windows Server 2012 R2 via ADFS OAuth endpoint.
Suplex.Security is an application security and RBAC abstraction Layer. Implments hierarchical DACL model and common RBAC model. Suplex.Data.SqlDataAccessor provides simple SQL Server DataSet/Row utils for legacy compatibility with Suplex.Core 4.x.
Aleph1 Security implementation using the TripleDES algorithm
Site Extension to perform maintenance on ASP.NET User Authentication, Authorization, and Membership.
Removes custom HTTP Response headers for Azure App Service web applications including Server, X-Powered-By, X-AspNet-Version and X-AspNetMvc-Version
Basic tools for authentication
- Generation and parsing of PKCS-12 files. - X.509: Generators and parsers for V1 and V3 certificates, V2 CRLs and attribute certificates. - PBE algorithms supported by PbeUtilities: PBEwithMD2andDES-CBC, PBEwithMD2andRC2-CBC, PBEwithMD5andDES-CBC, PBEwithMD5andRC2-CBC, PBEwithSHA1andDES...
An Unmanaged Wrapper for .NET to Encrypt/Decrypt in AES , Advanced But Easy to Use !
Safe deserialization helper library to fix known BinaryFormatter vulnerabilities.
Checks HDMI Cable is Connected or Not In C# Platform.
Unofficial EntityFramework 6 persistence layer for IdentityServer4
ASP.NET Core security middleware enabling Jira authentication.
Authentication Microservice Plugin for LVDGW
This caching store provides an ISecurityCacheProvider implementation that caches authenticated session information and performs token handling.
The Enterprise Library Caching Cryptography Provider lets developers encrypt the data to be cached.