KYC at Banks in Brazil: BCB requirements and how to curb fraud in 2025
Blog post from Didit
Brazil has experienced a significant rise in fraud attempts, recording 3.47 million incidents in the first quarter of 2025, with banking and card sectors being primary targets, accounting for 54% of these attempts. In response to a major cyberattack in July 2025, which exploited weaknesses in the Pix ecosystem, the Banco Central do Brasil (BCB) imposed a R$ 15,000 cap on certain transactions and mandated the rejection of payments flagged for potential fraud. The regulatory framework in Brazil requires comprehensive Know Your Customer (KYC) and Anti-Money Laundering (AML) measures, emphasizing continuous monitoring and risk-based profiling. New regulations like Resolução Conjunta nº 6/2023 and Instrução Normativa BCB nº 491/2024 aim to enhance fraud detection by institutionalizing data sharing and device management. Companies like Didit are leveraging automation and no-code workflows to streamline KYC processes, reduce fraud, and maintain customer experience without sacrificing security.
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