Data shows that federal and state government agencies publicly disclosed a total of 203 data breaches over the past five years. In all, the breaches resulted in nearly 47 million records being stolen, exposed or otherwise compromised. In a majority of cases, government breaches involved personally identifying data, such as names, Social Security numbers, and birthdates, the loss of which have substantially greater consequences for victims than breaches involving loss of credit card data or email account information. Between 2012 and 2016, private companies disclosed some 950 breaches involving 244.5 million records.”]
Source: https://www.darkreading.com/attacks-breaches/the-7-most-significant-government-data-breaches