A vice-president at SAP, named Thomas Langenbach, was caught switching the bar code stickers on Lego merchandise at his local Target with homemade bar codes that would drop the prices on the products significantly. He would then purchase them and resell them online.
Further Reading: http://www.wired.com/wiredenterprise/2012/05/sap_legoland/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Index+3+%28Top+Stories+2%29%29&utm_content=Google+Feedfetcher
Further Reading: http://www.wired.com/wiredenterprise/2012/05/sap_legoland/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Index+3+%28Top+Stories+2%29%29&utm_content=Google+Feedfetcher