This year, it was Ionut, Daniel and me who had the privilege of representing KPMG Romania.
Our team arrived in Berlin on the 28th. After taking our luggage to the hotel, we went for dinner, followed by a short walk in the city.
The conference kicked off early on the 29th and the program for the day consisted of three presentations and the CTF competition.
First presentation was on Relaying Contactless EMV, by a colleague from KPMG NL. After an introduction to smart-cards and EMV, the speaker described the concept of Relay Attacks on Contactless Transactions. Afterwords, he showed a video illustrating his Android implementation of the attack, the novelty of his approach being the small time overhead incurred by the relay. Measurements showed that the duration of a relayed transaction was very close to the duration of a native transaction (sometimes, due to optimizations, even faster). Continue reading