Questions tagged [nfc]
NFC (Near-Field Communication) is a short-range wireless technology, typically requiring a distance of 4cm or less to initiate a connection between two endpoints.
93 questions
3 votes
1 answer
212 views
Understanding and Troubleshooting TAG IC Signature Verification Failure
I have a number of NFC tags with the following metadata: [usb] pm3 --> hf mfu info [=] --- Tag Information -------------------------- [+] TYPE: NTAG 215 504bytes (NT2H1511G0DU) [+] ...
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1 vote
1 answer
180 views
Is it always possible to copy digital information from a physical medium?
If I have access to the physical medium on which information is stored (hard drive, NFC chip, SSD), are there any physical measures possible to stop me from cloning the exact data to a duplicate? ...
- 121
4 votes
0 answers
5k views
Are there any risks sharing my phone's SEID number with the bank of my credit card?
I was not able to add a credit card to Apple Pay on an iPhone. The bank told me that they need the SEID number of the phone to resolve the issue. By a quick search on the Internet, I learned that the ...
- 141
0 votes
0 answers
2k views
Is using the CSN of a mifare desfire EV2 safe?
From what I know, Mifare Classic cards are easy to copy/clone using a device such as a flipperzero, and it has to do with authentication using the CSN (card serial number) However, let's say that a ...
- 1
0 votes
1 answer
353 views
If the terminal is malicious, is paying with NFC still safe?
Paying with credit card's NFC. I know about tokenization and all that, but does that actually protect my card against theft when the terminal is malicious?
2 votes
0 answers
528 views
What are the security risks to NFC based YubiKeys?
What are the risks of using NFC on a YubiKey versus just a hard connector? I imagine it would be possible to sniff some data off of these security keys? How real is the risk of sniffing and what could ...
- 123
1 vote
0 answers
200 views
Any NFC readers (Android or iOS) able to access the ePassport raw (still encrypted) data e.g. without the Basic Access Control (BAC)?
Firstly, I assume it's possible to passively read the encrypted data from a ePassport NFC chip? All of the NFC scanning apps fail to load anything without the BAC. We are not interested in the ...
- 11
1 vote
1 answer
2k views
Are there any contactless (RFID/NFC) card vulnerabilities that are still unsolved? even minor ones
The title is pretty self explanatory. The market is pretty secretive about these kinds of matter since companies won't give out vulnerabilities for attackers to abuse and will give out vulnerabilities ...
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