Don't you think rooms learned from the black friday of poker?
There was exactly that case, you're right , micro amounts taken from millions of accounts.
But that wasn't a hack but people directly involved in FullTilt management.
How do you think they acquire thousands of passwords? No pokerroom has such a weak security they got access because they missused admin rights.
Stealing a few bucks is a common spam strategy.
Especially the Triades enforced this during covid.
Very interesting documentary about them from "Arte"
Some boss actually enslaved a whole small village and forced them to send spam mails.
People who click on such mails are doomed.
An exploit or Trojan will be installed in the background often too well written that the average Antivirus program can detect.
Or even worse
The virus gets root access and blocks Our PC .
With the threat of deleting your Drive unless you pay .
Here an example. In this case they pretend to be Microsoft security
View attachment 361735