Security and Independence of Process Safety and Control Systems in the Petroleum Industry

The developments of reduced manning on offshore facilities and increased information transfer from offshore to land continue and may also be a prerequisite for the future survival of the oil and gas industry. A general requirement from the operators has emerged in that all relevant information from...

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Bibliographic Details
Published in:Journal of cybersecurity and privacy 2022-03, Vol.2 (1), p.20-41
Main Authors: Onshus, Tor, Bodsberg, Lars, Hauge, Stein, Jaatun, Martin Gilje, Lundteigen, Mary Ann, Myklebust, Thor, Ottermo, Maria Vatshaug, Petersen, Stig, Wille, Egil
Format: Article
Language:English
Subjects:
Cybersecurity
Data exchange
Design specifications
Hazardous materials
independence
Influence
Investigations
offshore
petroleum
Petroleum industry
Probability
Process controls
safety
security
Software
Trends
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Summary:The developments of reduced manning on offshore facilities and increased information transfer from offshore to land continue and may also be a prerequisite for the future survival of the oil and gas industry. A general requirement from the operators has emerged in that all relevant information from offshore-located systems should be made available so that it can be analysed on land. This represents a challenge to safety in avoiding negative impacts and potential accidents for these facilities. The layered Purdue model, which helps protect OT systems from unwanted influences through network segregation, is undermined by the many new connections arising between the OT systems and the surroundings. Each individual connection is not necessarily a problem; however, in aggregate, they add to the overall complexity and attack surface thereby exposing the OT systems to increased cyber risk. Since the OT systems are critical to controlling physical processes, the added connections represent a challenge not only to security but also to safety.
ISSN:2624-800X
2624-800X
DOI:10.3390/jcp2010003