The AWS SDK for .NET V3 has entered maintenance mode.

We recommend that you migrate to [AWS SDK for .NET V4](https://docs.aws.amazon.com/sdk-for-net/v4/developer-guide/welcome.html). For additional details and information on how to migrate, please refer to our [maintenance mode announcement](https://aws.amazon.com/blogs/developer/aws-sdk-for-net-v3-maintenance-mode-announcement/).

# Advanced authentication and authorization with the AWS SDK for .NET
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The topics in this section provide information about advanced techniques for authentication and authorization in your AWS SDK for .NET application.

**Topics**
+ [Single sign-on](sso.md)