konfidentiell angolul

confidential▼(meant to be kept secret within a certain circle)
adjective
[UK: ˌkɒn.fɪ.ˈden.ʃl̩] [US: ˌkɑːn.fə.ˈden.ʃl̩]

undisclosed▼(not disclosed)
adjective
[UK: ˌʌn.dɪs.ˈkləʊzd] [US: ˌʌn.dɪsˈkloʊzd]