Brian Krebs, the blogger who first reported the breach, said the hackers were threatening to release all Ashley Madison's customer records if the website isn't shut down.

Looking separately at the two distinct elements that make up definition of an online dater, some 11% of internet users say that they have used an online dating site.

This does not include users of mobile dating apps, which will be discussed in the next section of the report.

For the first time in our 2013 survey we asked specifically about the use of these cell phone dating apps.

Among those who use cell phone apps, 7% say that they have specifically used a dating app on their phone.

You can read an article about the ongoing study by clicking here.

With Watson and Stelle’s study in mind, we’ve tested several popular dating sites, looking also for easy online experiences, and come up with five – both free and fee-based, senior-specific and all-ages – that we deem senior-friendly. Click here to visit OKCupid Note Be aware when signing up for auto-payment on any online dating site: Complaints have been filed that certain sites continue to charge monthly fees after a member cancels. See our updated Best Senior Dating Sites (2014) Thinking of trying online dating?

Avid Life Media also said that it had hired "one of the world's top IT security teams" to work on the breach.

The hack follows a similar event in March, when more than 3.5 million people's sexual preferences, fetishes and secrets were exposed after dating site Adult Friend Finder was hacked.

Bowling Green State University professors of gerontology, Dr. The study authors also delved into the question of which features make a dating site a good fit for seniors.

Charlie Stelle, have been researching the landscape and found that people over 60 represent the most rapidly growing demographic in online dating.

Since 85% of the population now goes online, that means that one out of every ten Americans (9%) has used an online dating site at one point or another.