By leveraging a combination of user-defined passwords and message content (subject, body and attachment names), Trend Micro 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 Trend Micro Email Security efficiently extract or open password-protected files for further scanning.
File password analysis is only applied for virus scan, and not for DLP or content filtering.
Trend Micro Email Security supports the following password-protected archive file types:
Trend Micro Email Security supports the following password-protected document file types: