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EMVCo 3DS: A Guide to SCA & Fraud Prevention

Blog post from Didit

Aggregate trend data notice

Excluded from normalized aggregate trends after staff review: 3056 posts were attributed to March 2026; 671 shared March 14, 2026. The preceding six-month median was 13.5 posts.

Review evidence: 3,056 posts in March 2026; 671 shared March 14, 2026; preceding six-month median 13.5. Reviewed August 9, 2026.

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Post Details
Company
Date Published
Author
Didit
Word Count
768
Company Posts That Month
Language
English
Hacker News Points
-
Post removed?
No
Summary

EMVCo 3-D Secure is a protocol for securing online card payments that provides a technical framework for Strong Customer Authentication under the EU’s PSD2 rules, which generally require two authentication factors for EEA transactions. The 2023 3DS v2.3 update expands transaction data sharing, improves risk-based authentication, streamlines low-risk payment flows, and supports methods such as biometrics to reduce unnecessary customer challenges and checkout abandonment. Effective implementation involves choosing a compatible provider, integrating its SDK, supplying relevant device, transaction, and customer data, configuring risk thresholds, and continuously monitoring authentication, fraud, and conversion performance. Didit positions its identity platform as a complementary service that enriches 3DS data with document, liveness, biometric, and fraud-risk signals to help businesses optimize authentication decisions, reduce fraud and chargebacks, and improve conversion rates.

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