Date Added: Jul 2012
Identification of objects and places in the real world is important, and 2-D printing code is useful to store identifiers of them. Any camera mobile device with capture function can read content from a barcode tag directly. When a barcode contains important data or privacy information, the risk of security becomes an important problem. Because QR codes simply feature a square barcode with a unique pattern, people have no idea whether the code will take them to reputable information or a site loaded with malware. In this paper, discusses QR codes different data types, attack via QR codes and security solutions.