Technologies developed in recent years for the intelligent distribution grids are becoming more connected and hence vulnerable to cyberattacks.
– DSOs as users and integrators of these technologies should make sure that the technologies are safe and secure before they are being integrated into their systems, says Behrooz Sanchoolie, researcher at RISE, Research Institues of Sweden.
This can be obtained by performing a risk assessment process to identify the cybersecurity threats that could be introduced into their systems trough the different assets used and introduced by these technologies. Parts of the risk assessment process could also be performed by the developers of the technology, and in this case, they would need to document a set of evidence that shows that their technologies are secure.
Safety risk assessment
For safety classified systems and products, there is also a need for safety risk assessments in addition to the cybersecurity risk assessment in order to identify and reduce safety risks. These two risk assessments are usually done separately, but since cybersecurity and functional safety are often related, a more comprehensive method covering both aspects is needed.
– In fact, in the UNITED-GRID project, we perform a combined safety and cybersecurity risk assessment by enhancing an assessment called Security-Aware Hazard Analysis and Risk Assessment (SAHARA) originally proposed for the automotive domain. We then used the enhanced assessment to evaluate some of the technologies developed within the project, says Behrooz Sanchoolie.
READ MORE:
SAHARA: A security-aware hazard and risk
A Combined Safety-Hazards and Security-Threat Analysis Method for Automotive Systems
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