Howard Stringer, Sony’s chief executive, said last week that no system is completely secure. (DANISH ISMAIL/REUTERS)

Security firm F-Secure discovered the scam, which is unrelated to the previous cyber attacks on the company’s PlayStation Network and Sony Online Entertainment.

Those attacks leaked millions of consumers’ personal information and took the services down for three weeks.

This hack differs from the others, as it’s on a server that doesn’t store personal information and doesn’t affect nearly as many people. But it’s just the kind of black eye the company can’t afford right now as it works to assure its customers that Sony networks are safe.

In interviews last week, the company’s chief executive, Howard Stringer, said no system can be completely secure. Looks like hackers are determined to prove him right.

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