The site boasts over 500,000 registered cams and 8 million members.
Britain's Information Commissioner's Office has warned of the breach and posted guidelines on its site.
It recommends changing the default password for any new device - which is the login the Russian hackers have exploited - and checking available security settings.
Many of these girls use the site to make a living, while others think of it as a hobby. Some use expensive, high-end equipment, while others are working off a cheap Wal-Mart webcam.
You tend to get more personalization on i Friends as the hosts work harder to earn your repeat business. Some will have fast connections with good frame rates while others won't.
i Friends offers one of the most diverse set of hosts and include some of the highest volume of niche cams in the industry.