An increasing number of ATM skimmers targeting banks and consumers appear to be of the razor-thin insert variety. These card-skimming devices are made to fit snugly and invisibly inside the throat of the card acceptance slot. Here
The bank that shared these photos asked to remain anonymous, noting that the incident is still under investigation. But according to an executive at this financial institution, the skimmer below was discovered inside the ATM

The link for this article located at Krebs on Security is no longer available.