CoinHive's cryptomining JavaScript has been found embedded in the site code of two of Showtime's websites, causing increases CPU usage. The script has now been removed, but silence from Showtime leaves the question open on whether they had placed the code there, or if their websites were hacked.
https://www.notebookcheck.net/CBS-owned-Showtime-joins-The-Pirate-Bay-and-rogue-chrome-extensions-in-using-your-CPU-to-mine-cryptocurrency.251658.0.html