It's important to note that in addition to the big breaches, this site also collects database dumps from paste sites such as Pastebin. Specifically, I've been

It's important to note that in addition to the big breaches, this site also collects database dumps from paste sites such as Pastebin. Specifically, I've been feeding logs from my twitter bot, @dumpmon, into HIBP to help build their collection of pastes. Troy is a fantastic researcher and has been awesome to work with!