| Subject | English | Spanish |
| comp., MS | authentication challenge | desafío de autenticación (A dialog that requires the user to provide a response in order to authenticate to ILM "2") |
| comp., MS | authentication challenge activity | actividad de desafío de autenticación (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") |