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. The data was provided to HIBP by white hat security researcher and data analyst Adam Davies.
Accounts breached: 561991
Breached on: July 01, 2019
Exposed data: Email addresses, IP addresses, Passwords, and Usernames
Domain: xkcd.com
Added on: September 01, 2019