The incident, which was discovered during routine monitoring, affected a database containing information related to PIX keys, a popular instant payment system in Brazil. The exposed data included key identifiers, transaction details, and user information. The Central Bank emphasized that the exposure did not compromise the security of PIX transactions or user funds. However, it advised affected users to monitor their accounts for any suspicious activity and report any unauthorized transactions promptly. The Central Bank is working diligently to investigate the incident and implement additional security measures to prevent similar occurrences in the future. Users are encouraged to remain vigilant and report any concerns to their financial institutions or the Central Bank.