Plenty Of Coverage about PlentyOfFish (POF) malware incident

https://hacked.com/uk-dating-site-possibly-compromised/
http://www.techweekeurope.co.uk/security/cyberwar/dating-site-plenty-fish-serves-malware-users-175280

also
ComputerWorld article: PlentyOfFish (POF) malware
http://www.computerworld.com/article/2974521/malware-vulnerabilities/plenty-of-fish-and-exploits-on-dating-website.html

article Malvertising Hits Online Dating Site PlentyOfFish
http://onlinedatingsoundbarrier.blogspot.com.ar/2015/08/article-malvertising-hits-online-dating.html