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← Payment Systems: Magstripe, Tokenization, NFC and EMV

Module 16 of 22 · Operator · 120 min

Relay: magstripe, NFC and EMV

Relaying APDU data locally, over the internet and by MQTT, and what actually limits how much delay a relay can get away with. The countermeasure protocols themselves are module 17's job.

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What this module covers

  1. 01The idea
  2. 02Relay against the other attacks
  3. 03Why it works at all
  4. 04What a relay does not need
  5. 05The budget: how much delay is affordable
  6. 06What the link costs
  7. 07The relay with no electronics in it
  8. 08The same attack, on cars
  9. 09What actually limits relay
  10. 10Why the corpus cannot show you a relay