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.
Blog / Account abuse
Account abuse
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.
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.
How to prevent free-trial abuse without losing real customers
How to prevent free-trial abuse: what it costs you, the signals that flag a recycled trial, and a playbook to stop it at signup without blocking real users.
How to prevent affiliate fraud
What affiliate fraud is, its main types from cookie stuffing to fake leads and self-purchases, and how the device behind a fake conversion gives the ring away.
How ban evasion detection works: re-identifying returning banned users
How ban evasion detection works: why account-only bans fail, and the signals that re-identify a returning banned user behind a brand-new signup.
Account and offer abuse in ecommerce: a merchant's playbook
The account and offer abuse an ecommerce store faces, why it is not payment fraud, and how to read the device behind each signup without blocking shoppers.
The 10 best multi-accounting detection tools in 2026
The 10 best multi-accounting detection tools in 2026, how detection works by linking accounts to a shared device and network, and how to choose.
How to prevent multi-accounting and stop fraud
How to prevent multi-accounting: detect one person operating many accounts, why IP-based detection fails, and how ready detection stops it.
How to detect account sharing?
Detect account sharing with device intelligence, login activity and automatic detections. Review device history and account for legitimate multi-device use.