Hackers are not attracted to any specific data. There is no race, creed, religion when it comes to data.
In this particular data breach, 240,000 attorney discipline cases which included case numbers, file dates, case type and status, and names of the respondent and complaining witnesses, were leaked on the website judyrecords.com.
Though the website is publicly available, the national court case records include all the confidential information about the case until formal charges are filed.
Source: thecyberwire