间谍打印机

打印机会在所有的打印稿上留下印记,包括打印时间和打印机的序列号,这在业界已经是众所周知的秘密,目的是为了国家安全部门追踪线索。
Woop!
施乐打印机的印记已经被破译了,有兴趣的人可以去http://www.eff.org/上了解情况。
 
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One Response to 间谍打印机

  1. Jennifer文晴说道:

    吼吼,在做广告呀

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