When Sony was hacked by North Korea, the leaked payroll revealed women were paid less than men for the same job. I'm not sure what the ramifications of that leak were though.
https://slate.com/human-interest/2014/12/sony-pictures-hack-...
https://slate.com/human-interest/2014/12/sony-pictures-hack-...
It also says that a spreadsheet from 2004 states that 85% of the top earners were men. This is unrelated to the pay gap argument.
The rest of the article is fluff completely unrelated to the leak. I'm no surprised there were no ramifications from this. If this is all that was found, it pretty much says there's no or practically no pay gap at Sony.
https://www.theguardian.com/film/2014/dec/12/sony-email-hack...
https://www.theguardian.com/film/2015/may/28/george-clooney-...