How to prevent fintech fraud: the device layer across the fraud types
The fintech fraud types from new-account and synthetic identity to account takeover, payment and BNPL abuse, and mule accounts, and where the device layer fits.
Kanstantsin Serabrakou is the Chief Technology Officer at ShieldLabs, where he leads engineering and the device-intelligence and detection systems behind the product.
Kanstantsin Serabrakou's articles
The 8 best new-account fraud detection tools in 2026
The best new-account fraud detection tools for 2026, how signup-fraud detection links many fake accounts back to one device, and how to choose the right layer.
The 7 best anti-detect browser detection tools in 2026
The best anti-detect browser detection tools for fraud teams in 2026, how detection spots spoofed and tampered browser fingerprints, and how to choose.
How website visitors are counted: Google Analytics, Vercel, and ShieldLabs compared
Why your visitor counts never match across tools. How Google Analytics, Vercel, and ShieldLabs each identify a visitor, and which count is closest to the truth.
Brute force vs credential stuffing vs password spraying: how they differ, and how to detect each
Brute force, credential stuffing, and password spraying all hit your login, but differ in what the attacker knows. The difference, and how to detect each.
How to detect fake reviews
What review fraud is, the main types of fake reviews, why the text alone won't catch them, and how the device behind a review ring gives it away.
Free-trial abuse vs API-key abuse vs rate limiting: which layer stops what
Free-trial abuse, API-key abuse, and rate limiting get blamed for each other. Which layer stops what for an AI API, who owns each fix, and where the gap is.
7 CAPTCHA alternatives for 2026: stop abuse without blocking real users
The 7 best CAPTCHA alternatives for 2026, from silent device intelligence to invisible challenges, and how to stop abuse without blocking real users.
How to prevent promo abuse in ecommerce
How to prevent promo abuse in ecommerce: the tactics behind discount farming, the signals that flag it, and how to score a redemption before you grant it.
How to prevent free-trial abuse in AI companies: a developer's guide
How AI companies prevent free-trial abuse: the credit-farming economics, the signals that expose a farmed signup, and how to score it at the API.
The 13 best device intelligence platforms in 2026
Compare device intelligence platforms in 2026 by identification, risk signals, integrations and pricing. Learn how to evaluate tools on your own traffic.
How to stop new-account fraud at signup
How to stop new-account fraud at signup: the abuse-and-evasion kind, why email checks and CAPTCHA miss it, and how to score a registration before it exists.