A spokeswoman for the Soulmates site told the Beeb that only email addresses and user IDs had actually been exposed, but that this information allowed malicious parties to dig up further details on members by finding and combing through their online profiles (which are public).
It also illustrates how confident the guardian is in its offer.
No need to hide the truth here, Guardiansoulmates has dozens of attractive, educated professionals staring out at you from every page view. It was one of the first papers in the world to deliver its content online for free and one of the first to set up a online dating service. As you would expect from a high quality broadsheet, the written content on the site is above average, this particularly applies to the blog and advice sections of the site.
Let's walk through the process and take a peek."If you're looking for love you've come to the right place: welcome to Soulmates, the Guardian's online dating service."A few seconds with the most basic of details will have you on the site, but you'll need to flesh out at a bare minimum half of your profile or so to show up in search.
When I signed up (in Ireland, because that's where I was at the time), I literally had nine matches show up as options in the country, within a 20-year age span. I expanded it to just include "men looking for women" and received 20 "soulmates" listed.