KYC in Telecom in Brazil: How to Stop SIM Swap Fraud (and More)

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Mobile fraud in Brazil is primarily driven by SIM swap schemes and the "Mão Fantasma" scam, posing significant challenges for telecommunications carriers and financial institutions. SIM swap fraud occurs when criminals convince carriers to issue a new SIM card for a victim's number, allowing them to intercept one-time passwords (OTPs) and gain unauthorized access to bank accounts and sensitive apps. The "Mão Fantasma" scam tricks victims into installing a remote-access app, enabling fraudsters to control their devices and conduct fraudulent transactions. These tactics exploit weaknesses in traditional identity verification, such as reliance on static data and human processes, which are further compromised by data leaks on the dark web. Regulatory bodies like Anatel require SMS confirmations for number portability, but this alone is insufficient for high-risk scenarios. Solutions like real-time Know Your Customer (KYC) processes, biometrics, and multi-factor authentication (MFA) are recommended to bolster security. Platforms like Didit aim to mitigate these risks by offering automated and flexible identity verification systems that reduce dependence on manual reviews and enhance fraud detection capabilities, integrating with government sources and utilizing global fraud intelligence to improve security for carriers.

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