> For the complete documentation index, see [llms.txt](https://www.pinvoke.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.pinvoke.dev/security/security_impersonation_level.md).

# SECURITY\_IMPERSONATION\_LEVEL

```csharp
public enum SECURITY_IMPERSONATION_LEVEL
{
    SecurityAnonymous = 0,
    SecurityIdentification = 1,
    SecurityImpersonation = 2,
    SecurityDelegation = 3
}
```