Collaborate Disseminate
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?
Motivation for the question
The NTAG424 DNA… Continue reading Is it always possible to copy digital information from a physical medium?
A new malware called NGate allows cybercriminals to steal near field communication data from Android phones via sophisticated social engineering. The data is relayed to the fraudsters before being used to steal cash. Continue reading Cybercriminals Deploy New Malware to Steal Data via Android’s Near Field Communication (NFC)
If you take public transport in many of the world’s cities, your ticket will be an NFC card which you scan to gain access to the train or bus. These …read more Continue reading As Cheap As Chips: The MiFare Ultra Light Gets A Closer Look
[Ken Shirriff] likes to take chips apart and this time his target is an NFC chip used in Montreal transit system tickets. As you might expect, the tickets are tiny, …read more Continue reading Inside NFC
I am designing a system that allows users to purchase my NFC cards and sign up for an account on my online SaaS website.
The System
For the sake of explanation, assume the website is hosted at domain test.com.
Think of this system as a &qu… Continue reading How to avoid non-in-person "handshakes" and spoofing due to compromised URL data on NFC 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 SEID number is an identifying number of… Continue reading Are there any risks sharing my phone’s SEID number with the bank of my credit card?
I would like to know exactly what data points mobile wallets send to the payment terminal over NFC.
I’m aware that mobile wallets usually send a virtual credit card number in lieu of the physical credit card number. Do they, however, send … Continue reading What kind of information do Mobile Wallets share with the terminal?
Is there a "magic" mifare classic card that enables you to change access conditions even if current access conditions are set to never change access conditions? (write ACS: never)
Continue reading Changing access conditions on a "magic" mifare classic 1k card
Sometimes we have a new part or piece of tech that we want to use, and it feels like a solution looking for a problem. Upon first encountering NFC Tags, …read more Continue reading NFC Puts a Stake in the Ground
Suppose I have a smartphone and I have disabled all usual de-anonymizing things (e.g., wifi probe requests). My phone sends some data over Bluetooth (or NFC) to device A, and then at a different place and time, sends entirely independent d… Continue reading Are Bluetooth and/or NFC anonymous?