Privacy breaches by the national archive involve almost 7400 records, including the names and details of patients of the now-defunct Sunnyside psychiatric hospital.
The scale of the breaches has become clear since a public apology was issued yesterday by Archives New Zealand.
Records of patients at the hospital between 1966 to 1973 were accessed by two members of the public -- some records were for patients who had committed a criminal offence.
Reporter Phil Pennington is with us now.