People who visited Plenty of Fish in the last few days had malicious spying software installed on their computers. Malware would have then tracked all of their keystrokes, including when they log in to their online banking. Security Specialist, Mark James from IT Security Firm ESET, gives insight into what happened, the hackers motivations, as well as advice for users and the affected company. He says the hackers are not reliant on unpatched servers or vulnerabilities nor the reputation of the affected site.”]
Source: https://informationsecuritybuzz.com/articles/plenty-of-fish-hacked/