How to stop it, by fraud type
One guide per abuse pattern: how the attack actually runs, which defences look sensible and fail anyway, and the signals that separate a farmed account from a real one. Written for the person who has the problem this week, not for a procurement committee.
How to stop account takeover
Why account takeover is caught by what changed rather than what looks wrong, how credential stuffing is actually run, and where detection stops and authentication takes over.
4 min readHow to stop bonus abuse
How bonus abuse works, why per-account limits never hold it, and which signals separate a farmed signup from a real new user before the payout clears.
3 min readHow to stop card testing
Card testing costs you your payment processor, not stolen goods. How the attack works, and the signals that catch it in the first few minutes.
4 min readHow to stop fake signups
Why most fake registrations are not after your money, how bulk signup gets automated, and the signals that separate a script from a slow human.
4 min readHow to stop multi-accounting
How one person runs many accounts, why device fingerprinting alone will not prove it, and which signals link accounts without punishing shared households.
5 min readHow to stop free trial abuse
Why repeat free trials are a pricing problem before they are a fraud problem, what the abuse really costs in SaaS, and the signals that link a new trial to an old one.
3 min read