Most people will never see i2c's name at checkout. Yet its configurable software helps banks and fintechs decide how cards behave, how money moves and what happens when a transaction looks wrong.
Cybersource is a global payment management platform owned by Visa, helping merchants accept, secure, and optimize digital transactions in 190+ countries. Founded in 1994 and acquired by Visa in 2010 for ~$2B, it powers payment gateway, tokenization, fraud management (Decision Manager) and orchestration services for hundreds of thousands of businesses worldwide.