Dr Murdoch discusses the safety of online shopping and issues of openness within the design of banking security systems.The online version is available at:
 http://www.newscientist.com/article/mg20527455.400-benevolent-hackers-poke-holes-in-ebanking.html

The article resulted from a paper which has been published at Financial Cryptography and Data Security:
http://www.lightbluetouchpaper.org/2010/01/26/how-online-card-security-fails/