In January 2020, the math solving website
Mathway suffered a data breach that exposed over 25M records. The data was subsequently sold on a dark web marketplace and included names, Google and Facebook IDs, email addresses and salted password hashes.
Fields count statistics
Numbers may not be precise, a precision threshold of 100 is used to determine if a field is unique.
Only the top 100 values are displayed in the chart.
Values with less than 100 occurrences are not displayed.