Tuna sold in a market in Hoi An, Vietnam. Image by Andy Wright, retrieved from Flickr. For some time, I’ve been puzzling over how seafood companies can secure their products by preventing illegal inputs to the supply chain. To make a product more secure, beyond what can be seen around one facility on the inside of a long supply chain, a seafood company can add to their in-house information system a few good control points. At least I thought so. A seafood company, big or s