<PackageReference Include="System.Security.Permissions" Version="10.0.0-preview.5.25277.114" />

NetworkInformationPermissionAttribute

Allows security actions for NetworkInformationPermission to be applied to code using declarative security.
using System.Security; using System.Security.Permissions; namespace System.Net.NetworkInformation { [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, AllowMultiple = true, Inherited = false)] public sealed class NetworkInformationPermissionAttribute : CodeAccessSecurityAttribute { public string Access { get; set; } public NetworkInformationPermissionAttribute(SecurityAction action) : base(action) { } public override IPermission CreatePermission() { return null; } } }