“We have engaged third-party cybersecurity experts and are working around the clock to secure our systems,” San Francisco-based Tea Dating Advice Inc. said in a statement.

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.

According to Tea's preliminary findings, the breach allowed access to approximately 72,000 images, broken down into two groups: 13,000 images of selfies and photo identification that people had submi...