Cyber-Risk Management (SpringerBriefs in Computer Science) by Atle Refsdal, Bjørnar Solhaug, Ketil Stølen

By Atle Refsdal, Bjørnar Solhaug, Ketil Stølen

This publication presents a quick and basic advent to cybersecurity and cyber-risk overview. no longer constrained to a selected procedure or method, its concentration is very pragmatic and relies on demonstrated overseas criteria (including ISO 31000) in addition to commercial top practices. It explains how cyber-risk evaluate may be performed, which innovations might be used whilst, what the common demanding situations and difficulties are, and the way they need to be addressed.

The content material is split into 3 components. First, half I presents a conceptual advent to the subject of danger administration as a rule and to cybersecurity and cyber-risk administration specifically. subsequent, half II provides the most phases of cyber-risk evaluate from context institution to chance therapy and acceptance, each illustrated by way of a operating instance. eventually, half III information 4 vital demanding situations and the way to quite take care of them in perform: threat dimension, chance scales, uncertainty, and low-frequency hazards with excessive final result.

The audience is especially practitioners and scholars who're drawn to the basics and simple rules and methods of safety probability evaluate, in addition to academics looking educating fabric. The ebook presents an outline of the cyber-risk evaluation procedure, the projects concerned, and the way to accomplish them in perform.

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Sample text

As captured by the uppermost ellipse in Fig. 4, our input is the target description and the selected assets, both obtained from Step 1. WůĂLJĞƌ ƐƐĞƚ ϭ͘͘Ύ ĚǀĞƌƐĂƌLJ Fig. 3 Assessing the game between an adversary and a defender ƉůĂLJƐ 'ĂŵĞ ƉůĂLJƐ ĞĨĞŶĚĞƌ dĂƌŐĞƚ The nature of the game obviously depends on who the defender is facing. As indicated by Fig. 4, we therefore start by identifying and documenting the properties of the potential adversaries, namely the malicious threat sources. When the threat sources have been identified and sufficiently documented, we proceed by investigating for each of them to what extent and in what way they may harm the assets.

Each possibility corresponds to an incident. Next, we proceed by identifying the vulnerabilities and threats that may cause these incidents, focusing only on the parts and aspects of the target that are of relevance to the identified incidents. Finally, we identify the non-malicious threat sources that can cause the threats. ƐƐĞƚƐ Fig. 5 Assessing how assets can be exposed to nonmalicious threats dĂƌŐĞƚ This asset-driven process, as illustrated by Fig. 5, allows us to ignore all parts of the target (the area with light shading) that are not relevant to the assets in question.

3 Cyber-risk Assessment 35 formation provided by the cyber-system of our concern, or they may be providers of services to this cyber-system. It is important to consider all stakeholders, both individuals and organizations, when determining relevant sources of information and identifying who may be affected by cyber-risks. We moreover need plans and procedures for how to provide, share, obtain, and make use of the information of relevance. Second, also due to cyberspace, there may potentially be adversaries everywhere, and any major incident somewhere in the world may have considerable impact on our cyber-system.

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