SIM-swap attack bypasses 2FA; bank denies fraud claim after months of review
An attacker compromised a consumer''s mobile phone and SIM to bypass two-factor authentication and make unauthorized transactions from their USAA account. The bank denied the fraud claim twice, holding the customer liable despite the account takeover being enabled by telecom infrastructure compromise. Financial institutions have no effective process for distinguishing SIM-swap fraud from authorized use when 2FA is defeated.
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Problem descriptions, scores, analysis, and solution blueprints may be updated as new community data becomes available.