ɪɾ ɪz kwˈaɪt pˈɑːsᵻbəl, ænd nˌɑːt ʌŋkˈɑːmən, fɔːɹ dˈeɪɾə wɪðˌɪn ɐn əfˈɪʃəl klˌæsɪfɪkˈeɪʃən tə hæv sˈɪɹiəs ˈɪmpækts ɪŋklˈuːdɪŋ sˈɪɹiəs ˈɪndʒɚɹi ɪnðɪ ᵻvˈɛnt ʌv ʌnˈɔːθɚɹˌaɪzd dɪsklˈoʊʒɚ.
It is quite possible, and not uncommon, for data within an OFFICIAL classification to have serious impacts including serious injury in the event of unauthorised disclosure.