Writing in a recent issue of the Inderscience publication International Journal of Electronic Security and Digital Forensics Mohammed Assora, James Kadirire and Ayoub Shirvani explain how a disposable credit card number would protect consumers from fraud when shopping online.
Today, e-commerce transactions are performed by sending the customer's credit card details over the Internet between a web browser and the e-commerce site. Despite rudimentary security, there are many points at which the process can be compromised by a fraudster.
The most insecure aspect of the whole process, explains Shirvani and colleagues, is the client authentication step because most e-commerce sites usually only require the customer's credit card details to validate the sale. There is no certification on the customer's side of the bargain. This means that anyone who steals your credit card information could use it to buy goods and services online fraudulently.
Customer certification is not the only problem, the researchers say. Once you have entered your credit card details into a shopping or other e-commerce site, these are usually stored unencrypted in the merchant’s database, which means they could be retrieved by anyone with access to that database, whether or not that is an unscrupulous employee or someone breaking in to the database from outside.The researchers point out that more than a decade has passed since computer security experts instigated the Secure Electronic Transaction
(SET) protocol to try to solve this problem by sending the client's credit card details encrypted. However, the system was very complicated and has not been adopted by e-commerce sites.
Instead, Shirvani and colleagues put forward the idea of a disposable credit card number (DCCN) that could overcome the vast majority of security threats. They describe how DCCNs could be generated "off-line" using a pre-shared secret key between the issuer and the customer and used only once to make an electronic purchase.
The concept is related to the credit voucher and gift certificate systems used by some e-commerce sites but the off-line system means no credit card details need pass across the Internet to create the voucher code. The off-line approach would also side-step any potential security and implementation issues that might be associated with online DCCNs such as Private Payment and SecureClick.
In off-line generation of DCCNs, the customer registers his/her credit card with the card issuer and receives an associated secret key. The customer will then use this secret key in conjunction with a simple calculation device such as a smart card, PDA or mobile phone to generate an encrypted code - known as a hash - that is based on the price of the goods he/she intends to purchase and other details pertinent to the e-commerce site.
The resulting hash is adapted to form the DCCN, and then sent over the Internet instead of the actual credit card details. The shopping site validates the DCCN as any normal credit card without ever seeing or having to store their real credit card details. As a result, the client can shop with no need to worry about confidential data being compromised, the researchers conclude.
Blockchain Set to Transform the Financial Services Market
28.09.2016 | HHL Leipzig Graduate School of Management
Paper or plastic?
08.07.2016 | University of Toronto
Terahertz excitation of selected crystal vibrations leads to an effective magnetic field that drives coherent spin motion
Controlling functional properties by light is one of the grand goals in modern condensed matter physics and materials science. A new study now demonstrates how...
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...
COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...
14.10.2016 | Event News
14.10.2016 | Event News
12.10.2016 | Event News
24.10.2016 | Earth Sciences
24.10.2016 | Life Sciences
24.10.2016 | Physics and Astronomy