NFC is a short-range wireless technology, typically requiring a distance of 4cm or less to initiate a connection between two endpoints.

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How is NFC tags copy prevented?

Ten years ago, we opened our building's front door with a badge. Five years ago we paid public transports with an RFID card. Today we pay our bread with the same system and tomorrow we would probably ...
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Mifare DESFire EV1 UID Uniqueness?

I'm currently investigating the Mifare DESFire EV1 card and would like to know if there are the same issues with the UID as there were with the classic? Are the DESFire UID truely unique or have so ...
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Security concerns with malicious NFC tags?

I was reading this article from Life Hacker, How to Automate Your Phone for Every Room in the House with NFC Tags. The idea is to place NFC tags around your house, car, etc. so that you phone will ...
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How does Near Field Communication (NFC) compare to RFID technologies? Looking for a functional primer

I'm starting my independent studies in RFID and NFC and am trying to understand how they relate to each other, and what security issues are common/unique to each. Is RFID a superset of NFC? (or vice ...
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What NFC protocol is used to read information on a Passport?

I'm experimenting with NFC and realized that my passport actually stores data that is only available when the passport is opened. (A closed passport doesn't seem to divulge any information) What ...
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Resources on security risks of NFC

Mobile phones are, increasingly, starting to support NFC. NFC can be used for a rich set of applications (including mobile payments, identity, and file sharing). What are primary security risks ...
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How secure is NFC on mobile devices?

Near field communication is becoming more commonly available in modern mobile devices, such as smartphones and tablets. This functionality can be used to communicate between such devices, or with ...
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What are the vulnerabilities of using NFC on my Samsung SGS3?

The new Samsung SGS3 is equiped with Near Field Communications, which is basically an RFID reader inside the mobile phone. The RFID reader can be programmed to execute commands or run programs. What ...
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What prevents people getting charged over NFC in crowded places?

I don't have an NFC-enabled device and I couldn't find any information about this in Google. What is it that protects me against an attacker with a portable NFC terminal charging payments by just ...