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 Sonicwall Signatures
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 |  | Polyfill.js Supply Chain Attack (Request to cdn.polyfill.io) | 
 Category: WEB-CLIENT
 
 
 | The polyfill.js serving domain cdn[.]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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