Zoosk Inc.

Zoosk suffered a data breach incident and the hackers even offered the stolen account information of millions of online daters for sale.

The hacking group, which calls itself ShinyHunters claimed to have breached millions of user credentials stolen from the photobook-making service Chatbooks and offered a total of 73.2 million user records via a dark web marketplace

Source: https://grahamcluley.com/zoosk-hacking/

"id": "ZOO2321241122",
"linkid": "zoosk",
"type": "Breach",
"date": "05/2020",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"