Resources
Guides on Shopify discount fraud, margin protection, and getting the most out of CustomerGenius.
May 8, 2026
An influencer-driven brand was paying two commissions and two first-order discounts for what turned out to be a single customer cycling through codes. Existing fraud detection couldn't see it because every code was monitored in isolation. Here's how CustomerGenius's cross-evaluation discount groups closed the gap.
Read more →May 8, 2026
Shopify Automatic Discounts apply at checkout with no code involved — which makes them invisible to most discount fraud tools. CustomerGenius now monitors automatic discounts the same way it monitors manual codes, including duplicate-identity scoring and cross-evaluation grouping.
Read more →April 21, 2026
A brand using Klaviyo to auto-generate unique discount codes for newsletter signups noticed customers cycling through email addresses to grab fresh codes repeatedly. All the codes shared a common prefix. Here's how CustomerGenius's wildcard matching closed the loop on modern email-automation fraud.
Read more →April 17, 2026
Catalyst Pet had repeat customers paying full price who were verbally abusive to customer service — damaging morale and pushing staff toward burnout. Leadership decided the revenue was not worth the cost. Here is how CustomerGenius's blocklist feature enforced that decision automatically, even when those customers returned under new email addresses.
Read more →April 14, 2026
A coffee company offered a free product to new customers — no discount code required, triggered automatically from cart composition. Abusers still cycled through email addresses to claim it repeatedly. Here's how CustomerGenius built order tag matching to catch fraud on any promotional structure, not just coupon codes.
Read more →April 10, 2026
A subscription cat litter brand was losing margin on 1-2% of orders because customers used multiple email addresses to repeatedly claim a 30% new-subscriber discount. Here's how CustomerGenius stopped 95% of the abuse — and why over a third of the blocked shoppers came back and bought at full price.
Read more →April 7, 2026
Referral programs have the same multi-account vulnerability as first-time discounts — but the fraud is harder to spot and often more expensive. Here's how it works and how to stop it.
Read more →March 29, 2026
Sometimes the problem isn't discount fraud — it's a specific customer you simply don't want to serve anymore. Here's how CustomerGenius's blocklist feature lets you permanently block any customer from placing future orders.
Read more →March 3, 2026
First-time customer discounts are one of the most effective acquisition tools in e-commerce — but they come with a hidden vulnerability that most Shopify merchants don't account for.
Read more →February 24, 2026
A practical guide to detecting and stopping customers who create multiple email accounts to abuse your Shopify discount codes.
Read more →February 10, 2026
Discount code abuse is one of the most underreported profit drains in e-commerce. Learn what it is, how it works, and what it actually costs your Shopify store.
Read more →