IP Library › Granted Patent US 12,489,771
Granted Patent B1
US 12,489,771 · App. 18/162,474 · Granted Dec 2, 2025

Detecting anomalous behavior of nodes in a hierarchical cloud deployment

Inventors: Úlfar Erlingsson (Palo Alto, CA); Derek G. Murray (Redwood City, CA); Yijou Chen (Cupertino, CA)
Assignee: Fortinet, Inc.
H04L63/1425G06F9/455G06F9/545G06F16/9024G06F16/9038G06F16/9535G06F16/9537G06F21/57H04L43/045H04L43/06H04L63/10H04L67/306H04L67/535G06F16/2456
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Quick Facts
Patent No.
US 12,489,771
App. No.
18/162,474
Filed
Jan 31, 2023
Granted
Dec 2, 2025
Kind
B1
Art Unit
2458
USPC
709/224
Abstract

Detecting anomalous behavior of nodes in a hierarchical cloud deployment, including: gathering data describing a cloud deployment as a hierarchy of a plurality of nodes; presenting a graph depicting behavior at a particular hierarchical level of at least a subset of the plurality of nodes; and determining whether behavior associated with a particular node deviates from normal behavior based on a hierarchical portion of plurality of nodes including the particular node.

Claims (27)

1 . A method of detecting anomalous behavior of nodes in a hierarchical cloud deployment, the method comprising:

receiving data from agents within a cloud environment describing one or more entities external to a cloud deployment in communication with network resources as a hierarchy of a plurality of nodes within the cloud deployment, wherein each network resource is represented as a node in the plurality of nodes;

displaying a graph in a graphical user interface depicting behavior at a particular hierarchical level of at least a subset of the plurality of nodes; and

determining whether behavior associated with a particular node deviates from normal behavior based on a hierarchical portion of plurality of nodes including the particular node.

2 . The method of claim 1 wherein the hierarchical portion of the plurality of nodes includes the particular node and a prefix indicating an ancestor node of the particular node.

3 . The method of claim 1 wherein the external entities in the data are displayed in the graph as external nodes that are independent of the hierarchy of the plurality of nodes.

4 . The method of claim 3 , wherein the behavior associated with the particular node comprises a union of behavior of one or more descendent nodes of the particular node.

5 . The method of claim 1 , wherein determining whether behavior associated with the particular node deviates from normal behavior comprises:

identifying, in the cloud deployment, one or more similar nodes for the particular node; and

determining whether behavior associated with the particular node deviates from normal behavior based on a comparison of the hierarchical portion including the particular node to one or more other hierarchical portions including the one or more similar nodes.

6 . The method of claim 1 , further comprising maintaining data describing normal behavior for nodes similar to the particular node, and wherein determining whether behavior associated with the particular node deviates from normal behavior is based on the data describing the normal behavior.

7 . The method of claim 1 further comprising updating a presentation of the graph to depict behavior at another hierarchical level in response to receiving an indication to modify presentation of the graph.

8 . The method of claim 7 wherein the indication to modify presentation of the graph comprises a selection of a node in the graph.

9 . The method of claim 1 wherein behavior for one or more nodes presented in the graph comprises a union of behavior of corresponding child nodes for each of the one or more nodes.

10 . The method of claim 1 further comprising presenting an alert via the graph in response to determining that the behavior deviates from normal activity.

11 . A computer program product for detecting anomalous behavior of nodes in a hierarchical cloud deployment, the computer program product disposed on a non-transitory computer readable medium, the computer program product including computer program instructions configurable to carry out the steps of: receiving data from agents within a cloud environment describing one or more entities external to a cloud deployment in communication with network resources as a hierarchy of a plurality of nodes within the cloud deployment, wherein each network resource is represented as a node in the plurality of nodes; displaying a graph in a graphical user interface depicting behavior at a particular hierarchical level of at least a subset of the plurality of nodes; and determining whether behavior associated with a particular node deviates from normal behavior based on a hierarchical portion of plurality of nodes including the particular node.

12 . The computer program product of claim 11 wherein the hierarchical portion of the plurality of nodes includes the particular node and a prefix indicating an ancestor node of the particular node.

13 . The computer program product of claim 11 wherein the external entities in the data are displayed in the graph as external nodes that are independent of the hierarchy of the plurality of nodes.

14 . The computer program product of claim 13 , wherein the behavior associated with the particular node comprises a union of behavior of one or more descendent nodes of the particular node.

15 . The computer program product of claim 11 , wherein determining whether behavior associated with the particular node deviates from normal behavior comprises:

identifying, in the cloud deployment, one or more similar nodes for the particular node; and

determining whether behavior associated with the particular node deviates from normal behavior based on a comparison of the hierarchical portion including the particular node to one or more other hierarchical portions including the one or more similar nodes.

16 . The computer program product of claim 11 , wherein the steps further comprise maintaining data describing normal behavior for nodes similar to the particular node, and wherein determining whether behavior associated with the particular node deviates from normal behavior is based on the data describing the normal behavior.

17 . The computer program product of claim 11 wherein the steps further comprise updating a presentation of the graph to depict behavior at another hierarchical level in response to receiving an indication to modify presentation of the graph.

18 . The computer program product of claim 17 wherein the indication to modify presentation of the graph comprises a selection of a node in the graph.

19 . The computer program product of claim 11 wherein behavior for one or more nodes presented in the graph comprises a union of behavior of corresponding child nodes for each of the one or more nodes.

20 . The computer program product of claim 11 wherein the steps further comprise presenting an alert via the graph in response to determining that the behavior deviates from normal activity.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 18, 2024
From: LACEWORK, INC.
To: FORTINET, INC.
Reel/Frame 069888/0611 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 27, 2023
From: ERLINGSSON, ÚLFAR; MURRAY, DEREK G.; CHEN, YIJOU
To: LACEWORK, INC.
Reel/Frame 063456/0366 →
Continuity (7)
Continuation In Part 17671199 · Feb 14, 2022
Continuation In Part 17504311 · Oct 18, 2021
Continuation 16665961 · Oct 28, 2019
Continuation 16134794 · Sep 18, 2018
Provisional Application 62650971 · Mar 30, 2018
Provisional Application 62590986 · Nov 27, 2017
Provisional Application 63243013 · Sep 10, 2021
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