https://techcrunch.com/2020/01/28/cornerstone-payments-credit-cards/

A little-known payments processor, which bills itself as a Christian-friendly company that does “not process credit card transactions for morally objectionable businesses,” left a database containing years’ worth of customer payment transactions online.

The database contained 6.7 million records since 2013, and was updating by the day. But the database was not protected with a password, allowing anyone to look inside.