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 Sonicwall Signatures
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 |  | Polyfill.js Supply Chain Attack (Request to polyfill.io) | 
 Category: WEB-CLIENT
 
 
 | The polyfill.js serving domain polyfill[.]io is discovered spreading malware due to ownership change in the domain. This signature indicates the request to the compromised domain via affected website and may require the examination of the source machine. | 
 
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