don't like the price? change the barcode!

Matt Johnston matt at
Sat Apr 12 00:24:31 EDT 2003

On Fri, Apr 11, 2003 at 12:57:11PM -0400, Perry E. Metzger wrote:
> A trivial way to attack automated bar code scanners: change the
> barcodes on products you are buying. I think actually doing it is
> reprehensible, but on the other hand it does show what happens when
> people start applying lessons from computer security to the real world:
> A Salon article on the same topic:

This isn't exactly a new idea, see

from ~5 years ago. There could be earlier examples out there too.


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