The following table lists the unusual signals that Trend Micro Email Security can detect.
|
Signal |
Description |
|---|---|
|
Account-Takeover |
This sender account might be compromised. |
|
Unusual-URL |
The URLs in the email are similar to those found in other malicious emails. |
|
Payment-PDF-Free-Email |
This message originates from a free email service and discusses payment-related issues in a PDF attachment. |
|
Payment-HTML-Free-Email |
This message originates from a free email service and discusses payment-related issues in an HTML attachment. |
|
Payment-HTML-NB-Account |
This account has no prior contact history with you and discusses payment-related issues in an HTML attachment. |
|
Forged-Brand |
The sender claims to be a well-known brand. However, the behavior of the sender does not match the known behavior of the brand. |
|
Suspicious-Notify |
The attachment might contain links used for malicious activity. |