Global IT Security Outsourcing Market Size, Share Analysis Report By Location (On-shore, Off-shore), By Enterprise Size (Large Enterprises, Small and Medium Enterprises (SMEs)), By Industry Vertical (Aerospace & Defense, BFSI, Healthcare, Retail & e-commerce, Telecom & Media, Others), Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034