Oplium is a cybersecurity company founded in 2019 in Brazil that provides a combination of proprietary and third-party security solutions along with specialized services. The company operates as a holding company with multiple subsidiaries including Sesa (intelligent systems development), Safe-e (e-commerce security and fraud prevention), and Oplium Italia (European operations through partnership with Spindox Group). The company's service portfolio includes digital risk protection, cyber threat intelligence, framework assessment and adoption, digital privacy law compliance, and cyber risk management. Oplium also offers offensive security simulation services and vulnerability detection and management capabilities. Their approach combines both security solutions and professional services to address various aspects of organizational cybersecurity. Oplium has expanded internationally through its partnership with Spindox Group, bringing Brazilian cybersecurity expertise to the European market through Oplium Italia. The company name derives from "Hoplon," the large shield used by ancient Greek Hoplites, reflecting their organizational philosophy of collaborative defense and protection. The company positions itself to address customer-specific security needs through a team-based approach to cyber defense.