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  • SOLUTIONS

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    Harness the power of your data

    Support and investigations

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    Online Payment Fraud

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Meet the expert

Mairtin O'Riada

Mairtin O'Riada

COO & Co-Founder

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Internationally experienced data scientist as well as Co-Founder and COO of Ravelin, Mairtin O'Riada has a career spanning various high-stakes roles, including positions with Scotland Yard and the United Nations.

Having honed his expertise in intelligence analysis, economic crime prevention, and anti-corruption strategies, he’s known for his innovative approach to fraud detection and passion for mentoring the next generation of analysts.

Subject matter expertise

Supplier & marketplace fraud Link analysis & graph databases Data science & machine learning Promo abuse Account security & ATO Fraud trends Payments & payment fraud Refund abuse
Mairtin O'Riada on LinkedIn LinkedIn

Latest insights by this author

2026 in payments: Our Co-Founder's analysis and advice
Payments & payment fraud

2026 in payments: Our Co-Founder's analysis and advice

EUDI Wallet, SCA & fraud: How can merchants prepare?
Fraud analytics 3DS & SCA Payments & payment fraud

EUDI Wallet, SCA & fraud: How can merchants prepare?

Key payment trends in 2026 for ecommerce
Payments & payment fraud Fraud trends PSP

Key payment trends in 2026 for ecommerce

Trusting the machine: Problems and solutions in trusting AI and machine learning systems
Machine learning & AI Ravelin product

Trusting the machine: Problems and solutions in trusting AI and machine learning systems

The lessons crime analysis has for machine learning and fraud
Payments & payment fraud Machine learning & AI

The lessons crime analysis has for machine learning and fraud

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Solutions overview Support & investigations Online payment fraud Account security Refund abuse Promo abuse Marketplace fraud 3D Secure

Insights

Agentic Commerce & Fraud Report 2026 Fraud Trends Survey 2026 Global Payments Report 2026 Global 3DS, SCA & Payments Map Link analysis & graph networks Machine learning for fraud Refund & promo abuse guide Online payment fraud guide Account takeover guide PSD2 and SCA guide

Resources

Resource zone Blog Events Product updates Developer docs for PSPs Developer docs for merchants Tech blog Ravelin Help Center Open source licenses

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