Asked why he was doing this, Auernheimer said: "I went straight for government employees because they seem the easiest to shame." Millions of others remain unnamed for now, but anyone can open the files -- which remain freely available online.
That could allow anyone to extort Adult Friend Finder customers.
For instance, the security consultant Robb reported that one person whose information was hacked was a 62-year-old Hispanic male from New Jersey, who worked in advertising and has a preference for the "subporno" forum.
The information exposed can be particularly devastating to people living in small towns, where they are more easily identified.
For example, one person exposed in the hack is a 40-year old welder from a small Illinois town of a few thousand people.
He "will become anybody's slave" and lied about his age on the site, claiming to be 29.
Adult Friend Finder asks customers to detail their interests and, based on those criteria, matches people for sexual encounters.
The site, which boasts 64 million members, claims to have "helped millions of people find traditional partners, swinger groups, threesomes, and a variety of other alternative partners." The information Adult Friend Finder collects is extremely personal in nature.