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Method of as well as intelligent switch, device and network for recognizing deviations in communication behaviour of network

An intelligent switch, a technology for identifying networks, applied in the field of deviations in communication behavior, which can solve problems such as damage to production

Active Publication Date: 2020-06-09
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, "denial of service" attacks for blocking or delaying communication are used to impair e.g. automation cells or production in cells

Method used

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  • Method of as well as intelligent switch, device and network for recognizing deviations in communication behaviour of network
  • Method of as well as intelligent switch, device and network for recognizing deviations in communication behaviour of network
  • Method of as well as intelligent switch, device and network for recognizing deviations in communication behaviour of network

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Embodiment Construction

[0091] exist figure 1 , schematically depicts a flowchart of a method for identifying deviations in communication behavior of a network according to the first aspect of the present invention. In the step of collecting 1, communication metadata is collected. In the step of export 2, three security values ​​are exported. In the step of check 3, the security value is checked. In the step of build 4, a security warning is generated. Furthermore, in an optional step of stretching 5, the three-dimensional (3D) envelope is stretched based on a threshold, and in an optional step of displaying 6, the 3D security points and the 3D envelope are displayed.

[0092] Collection 1 may be the collection of communication metadata in the network or the acquisition of communication metadata from a network switch. Each communication includes sending at least one message from a sender to a recipient, where the message is received for further processing. The message may be sent in at least one...

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Abstract

The present invention is related to a method of as well as an intelligent switch, device and network for recognizing deviations in communication behaviour of the network. In particular, characteristics of communication are monitored and evaluated regarding security behaviour of the network using a model of a communication behaviour of the network. For each communication over a switch of the network at most three security values are derived from communication metadata of the respective communication by means of the model of the communication behaviour. For each communication it is checked whether the respective at most three security values meet respective predetermined threshold values. In case the respective predetermined threshold values are not met by at least one of the security values, a security warning is generated.

Description

technical field [0001] The present invention relates to a method for identifying deviations in the communication behavior of a network as well as an intelligent switch, device and system. In particular, a model of the communication behavior of the network is used to monitor and evaluate the characteristics of the communication with respect to the security behavior of the network. Background technique [0002] Automation technology used to have simple structures. The controller of the automation unit controls the functional units of the automation unit. In larger automation stations, several automation units are communicatively connected to each other via an industrial network. Today, however, most automation units (ranging from simple household appliances in smart homes to industrial manufacturing plants) are not isolated but are connected horizontally to other entities, especially via the Internet. In the ever-growing process of digitalization, especially in the trend of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/26G06N3/06G06N3/08
CPCH04L63/1416H04L63/145H04L43/16G06N3/061G06N3/08H04L63/1425H04L67/12
Inventor 延斯·马库特于尔根·席默尔
Owner SIEMENS AG
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