Whether it’s for travel, meals or event tickets, it’s hard to deny the allure of a good deal. And providing discounts through fraudulent means is a thriving business online. Once mostly relegated to the far reaches of the dark web, fraudsters are offering questionable deals to consumers on mainstream social media sites and messaging apps. That’s according to the online fraud prevention company Sift. Part of the scam is what is called an account takeover or ATO. Marketplace’s Lily Jamali spoke with Brittany Allen, a trust and safety architect with Sift, about why ATOs are increasing.