“…Securing the global transportation networks has thus become an important concern for governments, practitioners and academics, and all the more so as: 1) Beyond terrorism-related risks, lie numerous other intentional man-made transportation risks such as drug smuggling or tax avoidance: e.g., "South African ports face a relatively low risk of international terrorist attack, but high incidences of illegal DOI: 10.4018/jal.2011010103 human movements through stowaways and trafficking as well as smuggling of illegal substances" (Maspero, Van Dyk, & Ittmann, 2008). 2) In a widely spread time-based competition context, securing transportation operations should not be sought for at the expense of delay effectiveness in physical and informational flow processing: e.g., "the WCO passed a unanimous resolution in December 2007, expressing concern that implementation of 100 percent scanning would be detrimental to world trade and could result in unreasonable delays, port congestion, and international trading difficulties" (Caldwell, 2008).…”