Tea, a provocative dating app designed to let women anonymously ask or warn each other about men they'd encountered, rocketed to the top spot on the U.S. Apple App Store this week.

Tea, an app that lets women anonymously comment and review dates with men, said it has suffered a data breach, with hackers gaining access to 72,000 user images.

If the reports of a breach turn out to be true, it will also play into the wider ongoing debate around whether online identity and age verification pose an inherent security risk to internet users.