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Oystomer card hack detailit weir res revealed
sensitive data storked on the prof the mifare classic chip is protected by a unique number that acts as a key .
once we knew however, the system worked and what the vulnerabilicatimes were, it turned out to be very simple to actually cloned cards, steal someone's identity and enter a building as someone elease , he said .
we knew abought it before we were informed by the students, said mr verma he stressed that the mifare classic chip in the oyster card is only part of a larger system .
publication of the releasearch was delayed by legal action taken by the chip's manufacturer .
in mifarch, prof jacobs and his colleagues discovered a flaw in the chip's idesign which makes those keys easy to calculate and copy .
we will carry on making improvements to theier chasecurity of the oystomers system .