In July 2019, the forum for webcomic XKCD suffered a data breach that impacted 562k subscribers. The breached phpBB forum leaked usernames, email and IP addresses and passwords stored in MD5 phpBB3 format.
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.