Markets are good because they facilitate economic efficiency, but when that efficiency facilitates criminal activity, such 'black markets' can be deemed harmful. Criminal activities in cyberspace are increasingly facilitated by burgeoning black markets in both the tools (e.g., exploit kits) and the take (e.g., credit card information). As with most things, intent is what can make something criminal or legitimate, and there are cases where goods or services can be used for altruistic or malicious purposes (e.g., bulletproof hosting and zero-day vulnerabilities). This report describes the fundamental characteristics of these markets and how they have grown into their current state in order to give insight into how their existence can harm the information security environment. Understanding the current and predicted landscape for these markets lays the groundwork for follow-on exploration of options that could minimize the potentially harmful influence these markets impart.
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