Ioannidis, C;
Pym, D;
Williams, J;
Gheyas, I;
(2019)
Resilience in Information Stewardship.
European Journal of Operational Research
, 274
(2)
pp. 638-653.
10.1016/j.ejor.2018.10.020.
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Abstract
Information security is concerned with protecting the confidentiality, integrity, and availability of information systems. System managers deploy their resources with the aim of maintaining target levels of these attributes in the presence of reactive threats. Information stewardship is the challenge of maintaining the sustainability and resilience of the security attributes of (complex, interconnected, multi-agent) information ecosystems. In this paper, we present, in the tradition of public economics, a model of stewardship which addresses directly the question of resilience. We model attacker-target-steward behaviour in a fully endogenous Nash equilibrium setting. We analyse the occurrence of externalities across targets and assess the steward’s ability to internalise these externalities under varying informational assumptions. We apply and simulate this model in the case of a critical national infrastructure example.
| Type: | Article |
|---|---|
| Title: | Resilience in Information Stewardship |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.ejor.2018.10.020 |
| Publisher version: | https://doi.org/10.1016/j.ejor.2018.10.020 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Information security, Strategic behaviour, System resilience, Regulation |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10059610 |
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