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Security Changes in the .NET Framework

.NET Framework 4.6 and 4.5

The most important change to security in the .NET Framework 4.5 is in strong naming. See Enhanced Strong Naming for a description of those changes.

The .NET Framework 4.5 provides a two-tier security model for managed applications. Windows Store apps run in a Windows security container that limits access to resources. Within that container, managed applications run fully trusted. From a code access security (CAS) perspective, there is nothing a developer can do to elevate privileges. For information about the privileges granted by Windows, see App capability declarations (Windows Store apps) in the Windows Dev Center. For information about creating a Windows Store app, see Create your first Windows Store app using C# or Visual Basic.

Important note Important

Important changes to code access security (CAS) were made in the .NET Framework 4. For a description of those changes, see Security Changes in the .NET Framework 4.

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