The Central Bank of Brazil has recently announced an incident involving the exposure of data related to 150 PIX keys. PIX is a popular instant payment system in Brazil that allows users to make and receive payments using their mobile phones. The exposed data includes information such as the full name, CPF (Brazilian tax ID), and email address of the key holders. The Central Bank has stated that the exposure was limited to a specific period and that no financial transactions were affected. The bank has also taken steps to mitigate the potential impact of the incident and is working to improve the security of the PIX system. Users are advised to remain vigilant and monitor their accounts for any suspicious activity.