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.

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That data is incredibly revealing and potentially damaging.

Andrew Auernheimer, a controversial computer hacker who looked through the files, used Twitter to publicly identify Adult Friend Finder customers, including a Washington police academy commander, an FAA employee, a California state tax worker and a naval intelligence officer who supposedly tried to cheat on his wife.

When signing up for an account, customers must enter their gender, which gender they're interested in hooking up with and what kind of sexual situations they desire.

Suggestions Adult Friendfinder provides for the "tell others about yourself" field include, "I like my partners to tell me what to do in the bedroom," "I tend to be kinky" and "I'm willing to try some light bondage or blindfolds." The hack, which took place in March, was first uncovered by independent IT security consultant Bev Robb on her blog Teksecurity a month ago. It wasn't until this week, when England's Channel 4 News reported on the hack, that Adult Friend Finder was named as the victim.

He "will become anybody's slave" and lied about his age on the site, claiming to be 29.

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.That, combined with his username and other account details, gave Robb enough information to Google him, find his real name, and find his social media pages.Are you concerned that your private information has been exposed? Included in the exposed personal information are customers' email addresses, usernames, passwords, birthdays and zip codes, in addition to their sexual preferences.No credit card data has yet been uncovered as part of the hack.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.