ATM card skimming is hardly a new activity, and neither are card skimmers that continue to get smaller and more discreet. As Brian Krebs of the Krebs on Security blog reports, though, a new development out of Europe has now crossed a key, and potentially troublesome threshold. The European ATM Security Team (otherwise known as EAST) has discovered a new type of wafer-thin card skimmer in use in at least one unnamed European country that's small enough to fit directly in the ATM's card slot -- that's as opposed to most current skimmers that can be well-disguised but generally sit