In Forrester's evaluation of the emerging market for secure communications, we identified the 10 most significant providers in the category — CellTrust, Dispel, KoolSpan, SafeChats, SaltDNA, Silent Circle, Threema, Vaporstream, Wickr, and Wire — and evaluated them. This report details our findings about how well each vendor scored against 10 criteria and where they stand in relation to each other. Security and risk professionals can use this review to select the right partner for their secure communications needs.