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Assessment of Enterprise Information Security: The Importance of Prioritization
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: Ninth IEEE International EDOC Enterprise Computing Conference, Proceedings, 2005, 207-218 p.Conference paper, Published paper (Refereed)
Abstract [en]

Assessing the level of information, security in an enterprise is a serious challenge for many organizations. This paper considers the prioritization of the field of enterprise information security. The paper thus considers how we may know what parts Of information security are important for a company to address and what parts are not. Two methods for prioritization are used. The results demonstrate to what extent different standards committees, guideline authors and expert groups differ in their opinions on what the important issues are in enterprise information security. The ISOJEC 17799, the NIST SP 800-26, the ISF standards committees, the CMU/SEI OCTAVE framework authors and an expert panel at the Swedish Information Processing Society (DFS) are considered. The differences in prioritization have important consequences on enterprise information security assessments. The effects on the information security assessment results in a European energy company are presented in the paper.

Place, publisher, year, edition, pages
2005. 207-218 p.
Keyword [en]
Computational methods, Data privacy, Data processing, Information retrieval systems, Societies and institutions, Standards, Enterprise information security, Information Processing Society (IPS), Prioritization, Standards committees
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-8896DOI: 10.1109/EDOC.2005.9ISI: 000234341900018Scopus ID: 2-s2.0-33749392679ISBN: 0-7695-2441-9 (print)OAI: oai:DiVA.org:kth-8896DiVA: diva2:14376
Conference
9th IEEE International Enterprise Distributed Object Computing Conference, Enschede, NETHERLANDS, SEP 19-23, 2005
Note
QC 20101028Available from: 2005-12-08 Created: 2005-12-08 Last updated: 2010-10-28Bibliographically 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 Science
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: 2010-10-28Bibliographically approved

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