handouts/ho01.tex
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   147 (especially not the group around Ross
   147 (especially not the group around Ross
   148 Anderson).\footnote{Actually, historical data about fraud
   148 Anderson).\footnote{Actually, historical data about fraud
   149 showed that first fraud rates went up (while early problems to
   149 showed that first fraud rates went up (while early problems to
   150 do with the introduction of Chip-and-PIN we exploited), then
   150 do with the introduction of Chip-and-PIN we exploited), then
   151 down, but recently up again (because criminals getting more
   151 down, but recently up again (because criminals getting more
   152 familiar with the technology and how it can be exloited).} To begin with, the
   152 familiar with the technology and how it can be exploited).} To begin with, the
   153 Chip-and-PIN system introduced a ``new player'' into the
   153 Chip-and-PIN system introduced a ``new player'' into the
   154 system that needed to be trusted: the PIN terminals and their
   154 system that needed to be trusted: the PIN terminals and their
   155 manufacturers. It was claimed that these terminals were
   155 manufacturers. It was claimed that these terminals were
   156 tamper-resistant, but needless to say this was a weak link in
   156 tamper-resistant, but needless to say this was a weak link in
   157 the system, which criminals successfully attacked. Some
   157 the system, which criminals successfully attacked. Some