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By leveraging a combination of user-defined passwords and message content (subject, body and attachment names), Cloud Email Gateway Protection can heuristically extract or open password-protected files, namely, archive files and document files, in email messages to detect any malicious payload that may be embedded in those files.
You can add or import user-defined passwords to help Cloud Email Gateway Protection efficiently extract or open password-protected files for further scanning.
Note
Note
File password analysis is only applied for virus scan, and not for DLP or content filtering.
Cloud Email Gateway Protection supports the following password-protected archive file types:
  • 7z
  • rar
  • zip
Cloud Email Gateway Protection supports the following password-protected document file types:
  • doc
  • docx
  • pdf
  • pptx
  • xls
  • xlsx