In our 29-criterion evaluation of European managed security services providers (MSSPs), we identified the 13 most significant ones — Accenture, Atos, BT, Capgemini, Deloitte, DXC, ElevenPaths, IBM, NTT, Orange Cyberdefense, Secureworks, Tata Consultancy Services, and Wipro — and researched, analyzed, and scored them. This report shows how each provider measures up and helps security and risk professionals select the right one for their needs.