TSYS — Ransomware Incident Claimed by Everest
TSYS, or Total System Services, is a US-based payment solutions company headquartered in Columbus, Georgia. It operates in the financial technology and payment processing industry, providing services such as credit and debit card processing, merchant services, and payment management solutions to financial institutions, businesses, and consumers worldwide. TSYS became a subsidiary of Global Payments following a merger in 2019.