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> Aren't thumb drives (USB) also vulnerable? Yes. I wonder if it is also possible to find a vulnerability in OCR software that could be triggered by a scannin

> Aren't thumb drives (USB) also vulnerable? Yes. I wonder if it is also possible to find a vulnerability in OCR software that could be triggered by a scanning maliciously formated sheet of paper.

colejohnson66 6y ago
Related: JBIG2[0]. Xerox had some scanners that compressed the image to JBIG2, but the compression algorithm was so aggressive, numbers would be corrupted. Very bad for things dealing with money. [0]: https://en.wikipedia.org/wiki/JBIG2 https://en.wikipedia.org/wiki/JBIG2
- m463 6y ago
  (off-topic) Speaking of money, modern copiers are supposed to detect and refuse to copy us currency. (haven't tried it personally)
  - sebmellen 6y ago
    Correct! You can't even open a detailed scan or picture of a bill in Photoshop (gave me quite a shock when I tried it and was greeted with a very serious looking warning). See this video: https://www.youtube.com/watch?v=ajm1Rgu-0x0 https://www.youtube.com/watch?v=ajm1Rgu-0x0, the work that goes into fiat currencies is tremendous.
  - MagnumOpus 6y ago
    Interesting way in which this is achieved: https://en.wikipedia.org/wiki/EURion_constellation https://en.wikipedia.org/wiki/EURion_constellation