I think the hacking PokerStars - is a useless action. If think:
poker stars is a resource on which people play for
real money, with a turnover of hundreds of millions per month. Consequently, control is carried out proper here. He was assigned to the security service and a team of programmers, and can possibly even use the help of hackers to test security.
If possible hacking PokerStars, it is possible hacking any bank. PokerStars - a kind of the same bank ))). If to say honestly, the hack can be anything.