← Cases
United StatesFinance and insurance2024 – ongoing

Mastercard

Generative AI detection of compromised cards and merchants

Mastercard reported a 2x detection rate for compromised cards with generative AI

WorkingCompany's own claimOfficial ↗

Problem

Criminals advertised partial stolen card numbers online. Banks needed to identify the affected cards quickly enough to block further fraudulent transactions.

Approach

Mastercard built predictive technology using generative AI to infer compromised card details. It scanned transaction patterns across its network and alerted banks so they could block and reissue cards.

Results

2xdetection rate of compromised cards, according to MastercardCompany's own claim[1]
300%increase in speed of identifying at-risk or compromised merchants, according to MastercardCompany's own claim[1]

Takeaway

The system connected partial evidence of stolen credentials with bank action. Mastercard did not disclose the evaluation sample or measurement period behind its reported improvements.

Categories

Business function
Finance, risk and legal
Innovation type
Process innovation
Evidence
Company's own claim

Sources

Source summaries

[1]Mastercard22 May 2024

Mastercard described operational use of its generative AI fraud detection technology. It claimed a doubled compromised-card detection rate and a 300% increase in merchant identification speed.

Full details are in the original sources.

Added 1 Nov 2026 · Updated 1 Nov 2026
Open case page ↗