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An access control device, method, computer program product and computer readable medium

An access control device and security access control technology, applied in transmission systems, electrical components, etc., can solve problems such as communication eavesdropping and attacks

Active Publication Date: 2021-12-14
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] ●The communication between the remotely accessed computer and the OT system may be eavesdropped, subject to man-in-the-middle (MITM) attacks, etc.

Method used

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  • An access control device, method, computer program product and computer readable medium
  • An access control device, method, computer program product and computer readable medium
  • An access control device, method, computer program product and computer readable medium

Examples

Experimental program
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Embodiment Construction

[0060] As mentioned above, the OT system is facing the risk of network attacks, especially when the OT system is accessed remotely, the OT system may face various network security threats due to the lack of effective security protection measures.

[0061] Embodiments of the present invention provide an access control method and device, which are applied in a remote access process to a system, such as an OT system, to provide an effective security protection method for the system. The method and device fully consider the practical requirements of the system operator, have the advantages of simple use and plug-and-play, and effectively reduce the safety risk of the system.

[0062] Hereinafter, a system employing OT technology is referred to as an "OT system", and ICS and an industrial control system may be regarded as examples of the OT system.

[0063] The method and equipment provided by the embodiments of the present invention will be described in detail below with reference...

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PUM

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Abstract

The invention relates to the technical field of industrial security, in particular to an access control device and method, which can provide effective security protection during the remote access process of the system. An access control device (50) includes a front-end firewall (501), providing a first network port (51) to connect a remote computer (20); a bastion host (502) connected to the front-end firewall (501) A back-end firewall (503) connected with the bastion host (502) provides a second network port (52) to connect the system (10); the back-end firewall (503) passes through the second The network port (52) scans the resources that allow remote access in the system (10) and determines the resources that the computer (20) can remotely access; the bastion host (502), through the front-end firewall (501), The computer (20) is provided with information of its remotely accessible resources via the first network port (51). It has the advantages of safety, simplicity, and plug-and-play.

Description

technical field [0001] The present invention relates to the technical field of industrial security, in particular to an access control device, method, computer program product and computer readable medium. Background technique [0002] According to Gartner's definition, Operational Technology (Operational Technology, OT) integrates hardware and software to detect or trigger changes in processes or events in an enterprise by directly monitoring and / or controlling physical equipment. OT uses computers to monitor or change physical conditions such as industrial control systems (Industrial Control System, ICS). Among them, the industrial control system is based on computer-implemented facilities, systems, and equipment for remote monitoring and / or control of key industrial processes to achieve physical functions. The term "OT" is used to distinguish industrial control systems from traditional information technology (Information Technology, IT) systems in terms of technical impl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/02H04L63/102H04L63/1425H04L63/205H04L41/0894H04L63/0209H04L63/0227H04L67/12H04L41/0806H04L67/51H04L63/0236H04L63/10H04L63/20
Inventor 唐文
Owner SIEMENS AG