IBM researchers have found test skimming scripts developed by one of the most prolific web skimming groups tracked by security industry as Magecart. Magecart has compromised thousands of websites to date and injected malicious code designed to steal payment details into checkout pages. The group has also targeted an open-source JavaScript library called Swiper that is used by mobile websites and apps. The X-Force team advice is to avoid third-party code and blacklists for website owners to use code extension checks.”]