ComplyCube
Sift
Kount
Riskified
Signifyd
ClearSale
Duo Security
Fraud.net
Kronos Workforce Dimensions
Product Key Explorer
Magical Jelly Bean Keyfinder
Recover Keys
Mac Product Key Finder
ProduKey
recALL
Enchanted Keyfinder
SterJo Key Finder
Product Key ExplorerBased on our record, Sift seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
They may be using something like Sift for security checking and something of yours was flagged. Source: over 1 year ago
But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago
Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago
Kount - eCommerce fraud detection & prevention
Magical Jelly Bean Keyfinder - The Magical Jelly Bean Keyfinder is a freeware utility that retrieves your Product Key (cd key) used to install windows from your registry. It also has a community- updated configuration file that retrieves product keys for many other applications.
Riskified - eCommerce fraud prevention solution and chargeback protection guarantee for online merchants. Find out how we can help your company boost revenue from online sales using our machine-learning powered eCommerce fraud protection software.
Recover Keys - Recover Keys is product keyfinder program which can recover lost product keys for Windows 8, 7, 10, Office, Exchange, Adobe Photoshop and many-many more.
Signifyd - Signifyd is a SaaS-based, enterprise-grade fraud technology solution for e-commerce stores.
Mac Product Key Finder - Mac Product Key Finder is a simple tool for recovering lost product keys for mac applications.