<record>
  <controlfield tag="001">306</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Privacy</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Permission Models</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Usable Security</subfield>
  </datafield>
</record>