How secure?

I went to Berlin in December for the Chaos Communications Congress, Europe’s biggest hacker con. ¬†At the conference, a pair of wily German researchers showed how they reverse-engineered the chip backing some of the world’s most-used subway cards and access keys. In the tech magazine¬†Computerworld today, I explained some of the details of their work.

Check it out here:

How They Hacked It: The MiFare RFID Crack Explained

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