Comment by number6
5 hours ago
There was a good talk some years ago at some of the CCC events where some guy found out that scanners sometimes change numbers on forms.
5 hours ago
There was a good talk some years ago at some of the CCC events where some guy found out that scanners sometimes change numbers on forms.
It's David Kriesel's infamous talk about the even more infamous Xerox bug.
Talk: https://media.ccc.de/v/31c3_-_6558_-_de_-_saal_g_-_201412282...
Bug: https://en.wikipedia.org/wiki/Xerox#Character_substitution_b...