Previously, the companies focused on using device fingerprints to prevent software theft or to identify computers making fraudulent transactions, in hopes of preventing future attempts.

以前，这些公司使用数字指纹技术只是为了防止软件盗窃或定位正在进行诈骗的电脑，阻止未来可能出现的网络侵入。

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But it wasn't just a good sales line that allowed McCormick, over a 10-year period, to become wealthy from a fraudulent device.

CNN: Maker of fake bomb detector gets 10 years in prison

But it wasn't just a good sales line that allowed McCormick, over a 10-year period, to become a millionaire from a fraudulent device.

CNN: Fake bomb detector maker made millions from trick