This IDC study represents the vendor assessment model called IDC MarketScape. This research is a quantitative and qualitative assessment of the characteristics that explain a vendor's current and future success in the marketplace. This study assesses the capability and business strategies of the market leading endpoint specialized threat analysis and protection (STAP) vendors. This evaluation is based on a comprehensive framework and set of parameters for enterprises that seek modern, signatureless endpoint threat detection, prevention, response, and remediation capabilities. A significant and unique component of this evaluation is the inclusion of the buyers' perception of both the key characteristics and the capabilities of these endpoint STAP providers. As one would expect of market leaders, overall, these firms performed very well on this assessment.