Nowadays securing data is one of the biggest challenges for the Market Research Industry. When you keep information online you can't lock it away to be 100% sure that no one else can see it. You need to be aware that during any transfer process both you and your customer might lose control over the data, and over who is accessing it. You need to do everything possible to prevent this from happening. You should secure devices, both on the browser and the hosting side. Unfortunately the pipes of the online world are out of your hands, but don't worry, there is something you can do.