I, Bart ten Brinke, am a developer, security expert & prototyper. I have a masters degree in Information Technology and a minor degree in Biomedical Engineering; both from the University of Twente, the Netherlands. I also hold a CISSP security title. I have created products for companies like the ABN-Amro Bank, NPO, Nedap, the Sony Entertainment Network and Walmart. These are used on a daily basis by thousands of people.
The tools I use are the ones that offer the best solution to the problem at hand. But when the problem is unclear and I want to build a prototype in order to learn more, I fall back on the following tools from my toolbox: