With the proliferation of barcode readers, it becomes more and more apparent that traditional applications that rely on these codes: item tracking and warehousing have no built-in security, some even allowing direct executable code injection via barcodes.<p><a href="http://www.securitytube.net/Hacking-Barcodes-video.aspx" rel="nofollow">http://www.securitytube.net/Hacking-Barcodes-video.aspx</a>