Polyfill is an open-source library that supports older browsers, and Polyfill.js is an open-source JavaScript source used by more than 100,000 sites worldwide. Recently, the domains using Polyfill.js were identified to have been exposed to malware attacks. This article will cover a supply chain malware attack targeting the Polyfill.io domain. Polyfill Supply Chain Malware Attack Inducing Data […]