Are other Canadian tech companies vulnerable to an AshleyMadison-like breach?

Vancouver-based online dating service PlentyOfFish declined an interview request to discuss the measures it takes to protect clients
https://www.biv.com/article/2015/9/are-other-canadian-tech-companies-vulnerable-ashle/

Man steals USD128,000 from woman he met through the online dating website PlentyOfFish
http://www.wlky.com/news/Police-Man-steals-128-000-from-woman-he-met-online/35057930

another murder at PlentyOfFish (POF)
http://onlinedatingsoundbarrier.blogspot.com.ar/2015/09/another-murder-at-plentyoffish-pof.html

One Chart That Shows How Much Money AshleyMadison Made Using FemBots
http://onlinedatingsoundbarrier.blogspot.com.ar/2015/09/one-chart-that-shows-how-much-money.html