<PackageReference Include="System.Security.Permissions" Version="10.0.2" />

System.Security.Permissions.DataProtectionPermissionAttribute

Allows security actions for DataProtectionPermission to be applied to code using declarative security. This class cannot be inherited.
namespace System.Security.Permissions { public sealed class DataProtectionPermissionAttribute : CodeAccessSecurityAttribute { public DataProtectionPermissionFlags Flags { get; set; } public bool ProtectData { get; set; } public bool UnprotectData { get; set; } public bool ProtectMemory { get; set; } public bool UnprotectMemory { get; set; } public DataProtectionPermissionAttribute(SecurityAction action); } }