← Payment Systems: Magstripe, Tokenization, NFC and EMV
Level 3 · Operator120 min
Relay: magstripe, NFC and EMV
Relaying APDU data locally, over the internet and by MQTT, and analysing the time-bounding countermeasures meant to stop it.
Enrolment required
Module 1 of this course is free to read. The rest needs an enrolment — and so does nothing else on this site: the workbench, the APDU decoder and the whole capture corpus stay open to everyone, signed in or not.
What this module covers
- 01The idea
- 02Relay against the other attacks
- 03Why it works at all
- 04What a relay does not need
- 05The budget: how much delay is affordable
- 06What the link costs
- 07The relay with no electronics in it
- 08The same attack, on cars
- 09What actually limits relay
- 10Why the corpus cannot show you a relay