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Assessment of Enterprise Information Security: An Architecture Theory Diagram Definition
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.ORCID iD: 0000-0002-3293-1681
2005 (English)In: Proceedings CSER 2005, 2005, 136-146 p.Conference paper, Published paper (Refereed)
Abstract [en]

In order to manage and improve something, it is normally necessary to be able to assess the current state of affairs. A problem with assessment, however, is that in order to assess, it is normally necessary to be able to define the assessment topic. These general statements are also true within the area of Enterprise Information Security. Although much has been written on the topic, there is little consensus on what Enterprise Information Security really is. The lack of consensus lessens the credibility of existing assessment approaches.

This paper presents a well-defined, transparent, and quantified method for the assessment of Enterprise Information Security. The method is based on the consolidation of the most prominent sources on the topic and results in a single quantitative estimate of the level of Enterprise Information Security in a company.

The usefulness of the presented method has been verified by a case study at a large European electric utility.

The present paper is a part of an ongoing research project on a credible and cost-effective method for Enterprise Information Security assessment.

Place, publisher, year, edition, pages
2005. 136-146 p.
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-8895ISBN: 0-615-12843-2 (print)OAI: oai:DiVA.org:kth-8895DiVA: diva2:14375
Conference
3rd Annual Conference on Systems Engineering Research
Note
QC 20101028Available from: 2005-12-08 Created: 2005-12-08 Last updated: 2018-01-13Bibliographically approved
In thesis
1. Assessment of Enterprise Information Security: How to make it Credible and Efficient
Open this publication in new window or tab >>Assessment of Enterprise Information Security: How to make it Credible and Efficient
2005 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

Information is an important business asset in today’s enterprises. Hence enterprise information security is an important system quality that must be carefully managed. Although enterprise information security is acknowledged as one of the most central areas for enterprise IT management, the topic still lacks adequate support for decision making on top-management level.

This composite thesis consists of four articles which presents the Enterprise Information Security Assessment Method (EISAM), a comprehensive method for assessing the current state of the enterprise information security. The method is useful in helping guide top-management’s decision-making because of the following reasons: 1) it is easy to understand, 2) it is prescriptive, 3) it is credible, and 4) it is efficient.

The assessment result is easy to understand because it presents a quantitative estimate. The result can be presented as an aggregated single value, abstracting the details of the assessment. The result is easy to grasp and enables comparisons both within the organization and in terms of industry in general.

The method is prescriptive since it delivers concrete and traceable measurements. This helps guide top-level management in their decisions regarding enterprise-wide information security by highlighting the areas where improvements efforts are essential.

It is credible for two reasons. Firstly, the method presents an explicit and transparent definition of enterprise information security. Secondly, the method in itself includes an indication of assessment uncertainty, expressed in terms of confidence levels.

The method is efficient because it focuses on important enterprise information security aspects, and because it takes into account how difficult it is to find security related evidence. Being resource sparse it enables assessments to take place regularly, which gives valuable knowledge for long-term decision-making.

The usefulness of the presented method, along with its development, has been verified through empirical studies at a leading electric power company in Europe and through statistical surveys carried out among information security experts in Sweden.

The success from this research should encourage further researcher in using these analysis techniques to guide decisions on other enterprise architecture attributes.

Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 28 p.
Series
Trita-ICS, ISSN 1104-3504 ; 0502
Keyword
Enterprise Information Security, Enterprise Architecture, Security Assessment, Information Technology Management
National Category
Computer and Information Sciences
Identifiers
urn:nbn:se:kth:diva-545 (URN)
Public defence
2005-12-16, Sal F2, Lindstedtsvägen 28, Stockholm, 10:00
Opponent
Supervisors
Note
QC 20101028Available from: 2005-12-08 Created: 2005-12-08 Last updated: 2018-01-13Bibliographically approved

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