Card Security in E-commerce: How 3D Secure Works
In 3D Secure 2.0, the bank scores risk after you enter card details using device fingerprinting, IP, and transaction amount. Low risk flows can be frictionless without OTP; high risk triggers SMS or app approvals.
PCI-DSS compliant storage, HSTS and content security policies against fake payment pages, and masking card data improve trust. Logging failed transactions and feeding anti-fraud tools lowers chargeback risk.
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