July 4, 2024, 2:01 a.m. |

FortiGuard Labs | FortiGuard Center - Threat Signal Report fortiguard.fortinet.com

What is the attack?Over 100,000+ sites have been impacted by a supply chain attack involving the Polyfill.io service. Polyfill is a popular tool used for enhancing browser capabilities by hundreds of thousands of sites to ensure that all website visitors can use the same codebase for unsupported functionality. Earlier this year, the polyfill.io domain was purchased, and the script was modified to redirect users to malicious and scam sites.What is the recommended Mitigation?Given the confirmed malicious operations, owners …

attack browser can capabilities codebase domain polyfill polyfill.io popular service supply supply chain supply chain attack tool website what is

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