Building a good purchase flow for your users is a hard work. You run A/B tests to improve usability, use best practices to assure the quality and advanced UX to minimize user friction. Alas, all these method mean it’s easier for an adversary to build a malicious automation around your website. The growth around automated attacks targeting the cart and the purchase Flow is causing severe financial damage, loss of revenue, increased infrastructure costs, and even skew your BI analytics. This talk will cover examples of such attacks we uncovered, from scraping and hoarding to scalping, and explain what you can do to detect them and protect yourself.