Digital barcodes, often square, that when scanned by a mobile device, open a Web page, an application, or lead to other information. Cybercriminals sometimes hack legitimate QR codes to direct users to scam sites. QR stands for “quick response.”
Digital barcodes, often square, that when scanned by a mobile device, open a Web page, an application, or lead to other information. Cybercriminals sometimes hack legitimate QR codes to direct users to scam sites. QR stands for “quick response.”