SPay Inc (dba Stack Sports) notified Massachusetts residents of a cybersecurity incident involving its Sports Affinity web application. Unauthorized code was placed on the platform between May 8 and June 10, 2026, capturing payment card details (numbers, CVV, expiration) and checking account numbers during checkout. The incident was discovered on June 8, 2026, and notices were sent on July 27, 2026. Stack Sports engaged forensic investigators, removed the malicious code, and offered 24 months of identity theft protection.