| #

## Compressed File Handling

Compressed files provide a number of special security concerns. Compressed files can be password-protected or encrypted, can harbor so-called "zip-of-death" security risks, and can contain numerous layers of compression.
To balance security and performance, Trend Micro recommends that you consider the following compressed file settings for Attachment Blocking and Security Risk Scan.
Related information

- Compression Types
- Blocking All Compressed Attachments
- Security Risk Scan Compressed File Restrictions