Wow I could have predicted this a few years back. They run an all Windows network within their casino and last I recall was Windows XP systems.
Cyber attack in Canada spawns $60 million lawsuit March 29, 2019 https://www.canadianunderwriter.ca/risk/cyber-attack-in-canada-spawns-60-million-lawsuit-1004161386/
$60 million class-action lawsuit denied by judge May 16, 2019 https://barrie.ctvnews.ca/60-million-class-action-lawsuit-denied-by-judge-1.4425298