In recent years, the use of information technologies in Critical Infrastructures is gradually increasing. Although this brings benefits, it also increases the possibility of security attacks. Despite the availability of various advanced incident handling techniques and tools, there is still no easy, structured, standardized and trusted way to manage and forecast interrelated cybersecurity incidents. This paper introduces CyberSANE, a novel dynamic and collaborative, warning and response system, which supports security officers and operators to recognize, identify, dynamically analyse, forecast, treat and respond to security threats and risks and and it guides them to handle effectively cyber incidents. The components of CyberSANE are described along with a description of the CyberSANE data flow. The main novelty of the CyberSANE system is the fact that it enables the combination of active incident handling approaches with reactive approaches to support incidents of compound, highly dependent Critical Information Infrastructures. The benefits and added value of using CyberSANE is described with the aid of a set of cyber-attack scenarios.

In recent years maritime logistics infrastructures are the global links among societies and economies. This challenges adversaries to intrude on the cyber-dependent ICTs by performing high-level intelligent techniques. A potential cyber-attack on such infrastructures can cause tremendous damages starting from supply chain service disruption ending up with threatening the whole human welfare. Current risk management policies embed significant limitations in terms of capturing the specific security requirements of ICTs and control/monitoring devices, such as IoT platforms, satellites and time installations, which are primary functioning for the provision of Maritime Logistics and Supply Chain (MLoSC) services. This work presents a novel risk assessment methodology capable of addressing the security particularities and specificities of the complex nature of SCADA infrastructures and Cyber-Physical Systems (CPSs) of the Maritime Logistics Industry. The methodology identifies asset vulnerabilities and threats to estimate the cyber-risks and their cascading effects within the supply chain, introducing a set of subsequent security assessment services. The utilization of these services is demonstrated via a critical, real-life SCADA scenario indicating how they can facilitate supply chain operators in comprehending the threat landscape of their infrastructures and guide them how to adopt optimal mitigation strategies to counter or eliminate their cyber-risks.

This paper aims to enhance the security and resilience of Critical Information Infrastructures (CIIs) by providing a dynamic collaborative, warning and response system (CyberSANE system) supporting and guiding security officers and operators (e.g. Incident Response professionals) to recognize, identify, dynamically analyse, forecast, treat and respond to their threats and risks and handle their daily cyber incidents. The proposed solution provides a first of a kind approach for handling cyber security incidents in the digital environments with highly interconnected, complex and diverse nature.

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