Vulnerability assessment
Equipment, system and alarm performance, obsolescence, integrity, asset stability, and vulnerability analysis.
Digital Delivery
ICSS Vulnerability Assessment
A desktop ICSS vulnerability assessment connected production reliability issues with alarm performance, functional safety lifecycle assurance, and control system improvement actions.
The Challenge
Reliability issues needed root cause clarity
Following a period of poor production uptime associated with the installed Integrated Control and Safety System (ICSS), a major UK oil and gas operator initiated a series of studies to understand the root causes and define practical improvement recommendations.
The client needed a desktop assessment that could look across more than one discipline. Alarm system configuration and performance, functional safety management, and ICSS vulnerability all had the potential to contribute to reduced reliability, degraded operability, or avoidable production losses.
The challenge was to turn a broad set of technical concerns into a clear evidence-led view of where vulnerability existed, how significant it was, and which improvement actions should be taken forward before project initiation.
Our Scope
One view of system vulnerability
ICSS completed a desktop vulnerability assessment covering the alarm system, the functional safety lifecycle, and the Integrated Control and Safety System itself.
The alarm management review assessed the Alarm Management Philosophy against recognised industry standards, including EEMUA 191 and IEC 62682, to understand whether configuration, performance, and management practices were supporting effective operator response.
The functional safety review examined the ESD system design and lifecycle activities against IEC 61511. This included assessment of key assurance areas such as SIL assessment, SIL verification, Safety Requirements Specification quality, and Functional Safety Assessment status.
The ICSS vulnerability review used available project and asset documentation, including the functional design specification, architecture block diagram, and E/E/PES change register, to identify and assess weaknesses in the installed system.
The assessment considered operability and maintainability, system maturity, reliability, and availability, giving the client a structured view of where technical vulnerability was concentrated and how it could affect production performance.
The Result
A clear improvement route
The ICSS vulnerability assessment was completed successfully and captured in a comprehensive report with several key findings.
The findings were presented to the client's technical assurance and management teams, giving stakeholders a clearer understanding of how alarm management, functional safety assurance, and ICSS condition were connected to production reliability concerns.
By consolidating evidence from multiple technical areas into a single assessment, the work helped the client separate immediate actions from broader lifecycle improvements and focus attention on the issues most likely to reduce operational exposure.
Following acceptance of the findings, an improvement programme was developed ahead of project initiation, providing a structured route from vulnerability assessment into controlled delivery.
Digital Delivery
Deeper insights. Better decisions. Streamlined delivery.
We optimise engineering activities and work management using advanced tools and techniques. We reduce human error through automation, identify hidden vulnerabilities through deeper analysis, and enhance value through better decision-making across the asset lifecycle.
Engineering automation
Control and safety system application verification, auto generation, and auto test from requirement specifications.
Start Here
Need help with digital delivery, automation, or vulnerability assessment?
Tell us what you are trying to understand, automate, or transform across greenfield projects, brownfield upgrades, or late-life assets. We will help shape the scope, de-risk the decision, and define a practical route to better delivery.