Good Gear Guide
Credit card skimming: How thieves can steal your c...
The first step that thieves take is to buy skimming gear online for around $400 from one of a slew of sources - many of them legitimate companies selling credit card readers to retailers. The thief then buys a card skimmer that matches the device type he wants to attack.
Credit card skimming: How thieves can steal your card info without you knowing it