Finastra, a leading London-based fintech provider for banks, has confirmed it is investigating a data breach following claims that a hacker compromised its internal file-transfer platform. The company notified its customers about the breach and is currently looking into the extent of the incident. Reports indicate that the hacker accessed Finastra's Secure File Transfer Platform, which is utilized for sending files to select customers. The investigation is ongoing as the company works to determine the implications of the breach.