I don't know if i am living in a hole, but somehow, I've never heard that an online casino itself was hacked, aside individual users accounts, like in the case of
To have singled you out requieres intelligence, internal intel.
A lot of things may be responsible for this and one of such could be a phishing attack on the players and the hackers may have studied his activities for a long, and from then created an account where he sent the user funds to but stake did a good thing by closing the hackers account after the discovery and report.
Meanwhile, let's see if stake support helps the guy recover his account and also helps recover some of his funds.
This thread is 1.5 months old, he didn't get help from the support, they didn't care too much actually.
Maybe this thread should be closed to avoid further repeated suggestions or analysis, it's basically only spam.
It's a lesson for everybody that keeps money at a gambling site, don't fall for strange emails or messages, always double check.
It least after this incident stake made some security improvements.
