Police are warning ATM users around the world to be alert who all are using POS(Point-of-sale) Terminals. The chip-based device called shimmer has used in POS Machine which is used in Retailed store and other public areas for customer to make payment. Shimmers have rendered the bigger and bulkier skimmers virtually obsolete, said Const. Alex Bojic of the Coquitlam RCMP economic crime unit said, You cant see a shimmer from the outside like the old skimmer version”]