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Add Radiofrequency folder with entry about Replay & Relay Attacks

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Gutem 2022-10-03 23:17:37 -03:00
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# Near Field Communication (NFC)
### Replay Attacks
Replay attack is a technique where a malicious user could implement a device to intercept a NFC transaction and redeem it later, using other device or even in different location.
### Relay Attack
The relay attack is a technique where a malicious user implements a man in the middle attack. The attacker(APDUer) is capable to intercept, manipulate and change the transaction in real time to take advantage of it.
[https://en.wikipedia.org/wiki/Relay_attack](https://en.wikipedia.org/wiki/Relay_attack)
### Intro to NFC Payment Relay Attacks
[https://salmg.net/2018/12/01/intro-to-nfc-payment-relay-attacks/](https://salmg.net/2018/12/01/intro-to-nfc-payment-relay-attacks/)
### NFCopy85 is a 10 dollars device to make replay attacks against NFC payment systems
[https://salmg.net/2019/06/16/nfcopy85/](https://salmg.net/2019/06/16/nfcopy85/)