This is what happens when the ice cream backfires: someone hacked into a hacker group’s favorite forum and posted the information they had obtained. With the data in their possession, some of them may even be easy to get hold of, as half a million user names and hundreds of thousands of personal details have been exposed, along with PayPal account IDs and other valuable information.
However, it should be added that the leaker himself committed a crime by obtaining and publishing the data.