QR codes are widely used in entry and exit systems for various events to monitor the number of participants and ensure that ...

Costco is cracking down on nonmembers entering its warehouses. The big-box retailer is installing card scanners at store entrances nationwide, several of which were spotted recently around Southern ...

In a bid to curb unauthorized access to its stores, retail giant Costco Wholesale Corporation (NASDAQ:COST) is implementing new measures, including a trial of a scanning system at store entrances.