Posts Tagged ‘EMV’
EMV: Hacked Again – Unpredictable Numbers are predictable.
Written by NFC Admin Freitag, 14 September 2012 09:31
Looks like 2012 isn’t the year of EMV. Up to now, it has been show that the data can be read easily from the chip and that is possible to relay transactions. Now researchers from University of Cambridge (UK) found out, that the random numbers that are used in EMV transactions are not random depending on the terminals used. This makes it possible to predict the random numbers (Unpredictable Numbers, UN). A spokeswoman for the UK’s Financial Fraud Action group said: „We’ve never claimed that chip and pin is 100% secure“. This is the right statement to face the customers with.
Relay Attack with Google Wallet
Written by NFC Admin Donnerstag, 6 September 2012 06:17
NFC enabled creditcards have received lots of attention science the beginning of this year, as several researchers showed how easy it is to read personal data from a contactless payment card. Although the transaction is still save (as the secrete EMV cryptogram cannot be retrieved) this is major privacy problem. Now there has been a new attack published showing a relay attack on Google Wallet Enabled phones with EMV payment cards.
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