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3-D Secure

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Guide3-D Secure · Calculator lives in the articleOpen

3-D Secure (EMV 3DS2) is authentication at checkout. Visa brands it Visa Secure; Mastercard brands it Identity Check. A successful authenticated transaction can shift fraud liability to the issuer on qualifying chargebacks. It does not fire when a dispute is filed. It is not an alert network.

Pair: 3-D Secure.

It does not win consumer disputes: not received, not as described, cancelled recurring. Failed or attempted 3DS is not a liability shift. Keep AVS/CVV.

Cost shape: per-attempt or per-auth fee from the gateway/acquirer, plus conversion loss on challenged auths. The tax is often the drop, not the fee. There is no public network retail price.

Enrollment is per MID. A retry onto a MID that is not 3DS-enrolled can undo the shift. Whether the conversion tax is smaller than the fraud dollars 3DS actually moved is a different job: Place 3DS only when the tax pays.

Not RDR, Ethoca, CDRN, or Order Insight.

Procedure

  1. Enroll 3DS on the MID that will authenticate.
  2. Place it in the cascade on purpose (amount, BIN, risk) — that is orchestration.
  3. Measure conversion drop separately from CB fraud drop.
  4. Keep AVS/CVV. 3DS is not a substitute.

Failure modes

  • Turning on 3DS on one MID and retrying declines onto a MID that is not enrolled.
  • Expecting 3DS to win ‘not received’ or ‘not as described.’
  • Counting attempted/failed 3DS as a liability shift.

Worked example

None on this page yet. When one lands it will be a real case: what broke, the number, and what changed. Not a composite.

Glossary

3DS2
EMV 3-D Secure 2 (Visa Secure / Mastercard Identity Check). Successful authentication can shift liability to the issuer on qualifying fraud chargebacks. It does not apply to consumer disputes.

Work with us — We run this job on your accounts. Services

FAQ

Does 3DS win not-received or not-as-described?
No. Liability shift is for qualifying fraud codes after successful authentication. Consumer disputes are a different family.
Is a 3DS attempt enough?
No. Failed or attempted 3DS is not a liability shift. A retry onto a MID that is not enrolled can undo the shift.