What do you do when you find out that someone has hacked into your Website and possibly stolen the personal information of thousands of users?

If you’re Markus Frind, you email the hacker’s mother.

Frind, the sole owner of Plenty Of Fish, said he'll stay on as CEO and plans to concentrate on expanding the company's mobile audience.

Eighty percent of Plenty Of Fish's traffic now comes from mobile devices.

Plenty Of Fish CEO and founder Markus Frind said users of his site's free matchmaking service will see little difference, though he will apply what the Match Group has learned over the past decade to the user experience on his own website.

"We'll have access to more data and knowledge within the greater group," he said.

This vulnerability was under active exploitation by hackers.

My team decided to notify about this circumstance to Mr Markus Frind, the founder and CEO of Plenty Of Fish Inc.Match Group CEO Sam Yagan said it was attracted to Plenty Of Fish's consistent growth, and it plans to integrate the Canadian company's mobile app into its existing family of digital and online dating services.The Match Group, the New York-based company that owns dating websites Match.com, Ok Cupid and Tinder, said Tuesday that it has purchased Vancouver-based dating website Plenty Of Fish for 5 million.The Match brands and Plenty Of Fish both generate revenue through a combination of advertising and paid subscription options.Plenty Of Fish, however, offers a free service that allows users to access features such as messaging and advanced search options that other sites put behind a paywall.The company generates most of its revenue through advertising.