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By leveraging a combination of user-defined passwords and message content (subject, body and attachment names), TrendAI™ Email Security 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 TrendAI™ Email Security 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.
TrendAI™ Email Security supports the following password-protected archive file types:
  • 7z
  • rar
  • zip
TrendAI™ Email Security supports the following password-protected document file types:
  • doc
  • docx
  • pdf
  • pptx
  • xls
  • xlsx