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New Trojan Steals Banking Information: Page 3 of 3

Tom Derosier, co-owner of the CPU Guys, Hanson, Mass., said he's seen instances where viruses were allowed to enter a network after employees disabled firewalls in order to give themselves a competitive edge in downloading the real-time playing fields shared by other contestants in the game.

"Most game makers are good about locking the game down so when the computer game loads it authenticates to make sure the right amount of data is there for each player, so everyone is playing in the same 'real time.' But if you want a one up, you can shut down as many resources as you can on the PC, and you're that much more ahead," Derosier said.

Earlier this month, Microsoft issued updates for Windows XP (news - web sites) and Server 2003 that addressed vulnerabilities in an operating system component called IDirectPlay4, used during multi-player network games. The impact of the vulnerability could lead to denial of service attacks, according to Windows bulletin MS04-016, which can be found here.