The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 2025

Filed:

Jun. 15, 2023
Applicant:

Trend Micro Incorporated, Tokyo, JP;

Inventors:

Yordanos Beyene, Roseville, CA (US);

Chin-En Yang, Austin, TX (US);

Catherine S. Curtis, Roseville, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); H04L 63/1416 (2013.01); H04L 63/20 (2013.01);
Abstract

Network threat events are declared in response to detecting network traffic data indicative of network threats in network traffic involving hosts of a private computer network. Common hosts of the private computer network are identified in network threat events that have occurred within a sampling period. For each identified common host, a baseline of network behavior of the common host in network threat events that have occurred within a sliding time window is generated. A new threat event that has occurred after the sliding time window is identified as anomalous by comparing a network behavior of a common host in the new network threat event against the baseline of network behavior of the common host. An alert is issued in response to detecting an anomalous network threat event that has a risk rating that exceeds a threshold risk level.


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