Thing is the free trials only last for three accounts and they're needed as advertising for the service. MW2 turning into Deadwood inside of the first month pretty much signalled to every hacker going that there were no rules when it comes to COD games.
Black Ops being as secure as it is has led to them migrating back to the older CODs where the security isn't anywhere near as tight (ie Treyarch/Infinity Ward aren't policing the servers along with XBLPET). All you can do is file complaints, set to avoid,
dashboard and move on.
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