| Subject | English | German |
| comp., MS | authentication challenge | Authentifizierungsaufforderung (A dialog that requires the user to provide a response in order to authenticate to ILM "2") |
| comp., MS | authentication challenge activity | Authentifizierungsaufforderungsaktivität (A Windows Workflow Foundation activity that is used to configure a challenge that will be issued to a user in order to authenticate to ILM "2") |