Security and Monitoring
the digital twin and the physical asset it represents and protect the integrity of the data used to create it.
A security-focused approach Should an attacker gain access to the network, it is essential they are unable to view or modify any commands in transit. To this end, communication protocols must be able to authenticate the sending and receiving of components and users whilst encrypting and protecting the integrity of the data. Leveraging
standards like the Trusted Network Connect (TNC) can help monitor any communications between IIoT devices and control systems and protect the integrity of the data generated by these devices. A Device Identity Composition Engine (DICE) is another standard that can provide an additional layer of security within an industrial environment. This enables the secure provisioning of device identities, including the generation and management of device-specific keys, providing safe storage of device-specific attributes such as manufacturer, model, and serial number. Software should also be updated at regular intervals. Operators are all too often reluctant to update software on their ICS as this can lead to unexpected changes to a system they’ve grown used to. But complacency brings its own danger, and older software can lead to a greater risk of vulnerabilities being discovered and exploited. Operators must therefore authenticate updates and check their integrity
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before installation, as the last thing operators want to do is add malicious software to its infrastructure. Integrating solutions like Firmware Integrity Measurement (FIM) can provide a method for measuring firmware and software device integrity. It can be used to detect unauthorized changes to firmware or software, such as malware or other malicious code. FIM can also be used to ensure that only authorized firmware or software is loaded onto a device.
Establishing trusted technology industry standards like TPM, DICE, TNC, FIM and RIM are key to securing industrial applications. Using a TPM can establish a trusted environment for the storage and
processing of information, whilst DICE handles the provisioning and management of device identities. FIM and RIM also provide methods of measuring firmware and software integrity, with TNC allowing reliable exchanges of information between devices and control systems. Implementing these standards help organizations trust their industrial systems are protected from any tampering and unauthorized access, maintaining the integrity of these crucial technologies. Only by staying up to date with the latest specifications and standards can your data and operations remain secure.
https://trustedcomputinggroup.org/
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