In-Depth Analysis of JS Sniffers Uncovers New Families of Credit Card-Skimming Code
Apr 03, 2019
In a world that's growing increasingly digital, Magecart attacks have emerged as a key cybersecurity threat to e-commerce sites. Magecart, which is in the news a lot lately, is an umbrella term given to 12 different cyber criminal groups that are specialized in secretly implanting a special piece of code on compromised e-commerce sites with an intent to steal payment card details of their customers. The malicious code—well known as JS sniffers, JavaScript sniffers, or online credit card skimmers—has been designed to intercept users' input on compromised websites to steal customers' bank card numbers, names, addresses, login details, and passwords in real time. Magecart made headlines last year after cybercriminals conducted several high-profile heists involving major companies including British Airways , Ticketmaster , and Newegg , with online bedding retailers MyPillow and Amerisleep being recent victims of these attacks. The initial success of these attacks alread