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.
|