threat-intel Suspicious Polyfill login prompts pop up on Toshiba, Muji websites Toshiba and Muji websites were temporarily affected by malicious login prompts generated by the polyfill[.]io service, which injected malicious code into their scripts. The issue stemmed from the domain being acquired by a Chinese entity and subsequently reactivated, causing browsers to display fake login screens. Both… BleepingComputer · Jun 5, 2026 Medium JACHcdnjavascriptlogin