NSS Labs Market Analyses provide executives and other decision makers with insight into the different technology segments that compose the global security market. This research delivers total addressable market (TAM) metrics that are based on interviews both with the vendors within specific technology markets and the enterprises that are purchasing their products. As well as providing insight into historical trends, market dynamics, and multi-year predictions of market growth or contraction within the different segments, these metrics also reveal vendor performance and vendor market share by revenue and by units sold.