We've already discussed a lo-tech but surprisingly effective attack on ATM users here and elsewhere. However, Brian Krebs has recently posted on more conventional skimming attacks: Green Skimmers Skimming Green. An interesting and useful comment thread too. However, in view of the mentions there of chip and pin technology, it's worth pointing out that while

[Update: added some extra links at http://avien.net/blog/?p=422] Here, so to speak, is a bit of hot potato*. Flippancy notwithstanding, this isn't really funny. For several years now, Brits have enjoyed a banking card system called chip and PIN, a simple form of two-factor authentication for in-person credit and debit card transactions. In countries where the