One-Time Passcodes (OTP) Exploited for Account Takeover and Payment Fraud Across Global Banks
What Happened — Threat‑intel firm Recorded Future reports a surge in attacks that intercept SMS‑based one‑time passcodes to bypass multi‑factor authentication, enabling account‑takeover and payment fraud. Fraudsters combine real‑time social engineering with SIM‑swap or SMS‑spoofing to harvest OTPs and complete unauthorized transactions.
Why It Matters for TPRM —
- OTP reliance creates a predictable attack surface that third‑party banking and payments providers expose to their clients.
- Compromised OTP flows can lead to credential leakage, financial loss, and regulatory penalties for downstream enterprises.
- The trend signals a shift from direct credential theft to “MFA‑bypass” tactics, demanding updated risk assessments of authentication services.
Who Is Affected — Financial services, digital banking platforms, payment processors, and any organization that outsources OTP‑based authentication (FIN_SERV; vendor type IAM, PAYMENTS).
Recommended Actions —
- Re‑evaluate the security posture of OTP providers; prioritize passwordless, phishing‑resistant solutions (e.g., FIDO2).
- Implement transaction‑risk analysis and out‑of‑band verification for high‑value payments.
- Enforce SIM‑swap detection, SMS‑spoofing protection, and user education on social‑engineering risks.
Technical Notes — Attack vector: phishing‑enabled SMS interception, SIM‑swap, and SMS‑spoofing. No specific CVE; the weakness lies in the reliance on insecure out‑of‑band OTP delivery. Data at risk includes authentication credentials and financial transaction details. Source: DataBreachToday – One-Time Passcodes Are Gateway for Financial Fraud Attacks