In our 26 criteria evaluation of information security consulting services providers, we identified the 15 most significant ones — Accenture, Atos, BAE Systems, Deloitte, DXC Technology, EY, IBM, KPMG, Leidos, Optiv, Protiviti, PwC, SecureWorks, Verizon, and Wipro — and researched, analyzed, and scored them. This report shows how each provider measures up, to help security and risk professionals make the right choice.