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:
Nov. 07, 2023

Filed:

Nov. 10, 2020
Applicant:

F-secure Corporation, Helsinki, FI;

Inventors:

Paolo Palumbo, Helsinki, FI;

Dmitriy Komashinskiy, Helsinki, FI;

Assignee:

WITHSECURE CORPORATION, Helsinki, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); H04L 63/0218 (2013.01); H04L 63/0254 (2013.01); H04L 63/145 (2013.01);
Abstract

There is provided a method comprising: detecting a new process start at a network node of a computer network; determining that said process requires external code modules; observing the times at which one or more external code modules required by the new process are loaded relative to the process starting time; determining that the usage of an external code module required by the new process is anomalous when the time elapsed between the start of the process and loading of said external code module lies outside predetermined expected boundaries; and taking further action to protect the network node and/or the computer network based on determining that the usage of the external code module required by the detected new process is anomalous.


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