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Security Practitioners in Context: Their Activities and Interactions

This study develops the context of interactions of IT security practitioners. Preliminary qualitative analysis of 22 interviews (to date) and participatory observation has identified eight different...

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Security Practitioners in Context: Their Activities and Collaborative...

This study develops the context of interactions of IT security practitioners. Preliminary qualitative analysis of 22 interviews (to date) and participatory observation has identified eight different...

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HOT Admin Research Project: Overview and Results to Date

Security of information technology (IT) has become a critical issue for organizations as they must protect their information assets from unauthorized access and quickly resume business activities after...

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A Broad Empirical Study of IT Security Practioners

Security of information technology (IT) has become a critical issue for organizations as they must protect their information assets from unauthorized access and quickly resume business activities after...

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Authorization Recycling in RBAC Systems

As distributed applications increase in size and complexity, traditional authorization mechanisms based on a single policy decision point are increasingly fragile because this decision point represents...

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Identifying Differences Between Security and Other IT Professionals: a...

We report factors differentiating security and other IT responsibilities. Our findings are based on a qualitative analysis of data from 27 interviews across 11 distinct organizations. The results show...

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Cooperative Secondary Authorization Recycling

As enterprise systems, Grids, and other distributed applications scale up and become increasingly complex, their authorization infrastructures---based predominantly on the request-response...

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Human, Organizational and Technological Challenges of Implementing IT...

Our qualitative research provides a comprehensive list of challenges to the practice of IT security within organizations, including the interplay between human, organizational, and technical factors....

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The Challenges of Using an Intrusion Detection System: Is It Worth the Effort?

An intrusion detection system (IDS) can be a key component of security incident response within organizations. Traditionally, intrusion detection research has focused on improving the accuracy of IDSs,...

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Responding to security incidents: are security tools everything you need?

Presentation given at FIRST'08 conference.

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Toward Understanding the Workplace of IT Security Practitioners

Security of information technology (IT) has become a critical issue for organizations as they must protect their information assets from unauthorized access and quickly resume business activities after...

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Searching for the Right Fit: Balancing IT Security Management Model Trade-Offs

IT security professionals’ effectiveness in an organization is influenced not only by how usable their security management tools are but also by how well the organization’s security management model...

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Management of IT Security in Organizations: What Makes It Hard?

Security of information technology (IT) has become a critical issue for organizations as they must protect their information assets from unauthorized access and quickly resume business activities after...

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Cooperative Secondary Authorization Recycling

As enterprise systems, Grids, and other distributed applications scale up and become increasingly complex, their authorization infrastructures—based predominantly on the request-response paradigm—are...

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Challenges, Collaborative Interactions, and Diagnosis Performed by IT...

This thesis investigates four different aspects of information security management: challenges faced by security practitioners, interactive collaborations among security practitioners and other...

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Guidelines for Designing IT Security Management Tools

An important factor that impacts the effectiveness of security systems within an organization is the usability of security management tools. In this paper, we present a survey of design guidelines for...

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On the Imbalance of the Security Problem Space and its Expected Consequences

Purpose – This paper aims to report on the results of an analysis of the computer security problem space, to suggest the areas with highest potential for making progress in the attacker-defender game,...

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Authorization Using the Publish-Subscribe Model

Traditional authorization mechanisms based on the request-response model are generally supported by point-to-point communication between applications and authorization servers. As distributed...

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Creation and Evaluation of SQL Injection Security Tools

This work summarizes our research on the topic of the creation and evaluation of security tools against SQL injection attacks (SQLIAs). We introduce briefly the key concepts and problems of information...

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Auxiliary Material for the Study of Security Practitioners in Context: Their...

This technical report contains additional material for the study, which investigated the context of interactions of IT security practitioners.

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Towards Improving Mental Models of Personal Firewall Users

Windows Vista’s personal firewall provides its diverse users with a basic interface that hides many operational details. However, our study of this interface revealed that concealing the impact of...

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Mobile Applications for Public Sector: Balancing Usability and Security

Development of mobile software applications for use in specific domains such as Public Security must conform to stringent security requirements. While mobile devices have many known limitations,...

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Usability Study of Windows Vista’s Firewall

Windows Vista is shipped with a built-in personal firewall. The firewall has lots of new features over its predecessor, XP’s firewall. But, previous studies showed that Vista’s firewall have a set of...

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Usability of Windows Vista Firewall: A Laboratory User Study

In this project we conducted a user study of Microsoft Windows Vista Firewall: a lab study followed by a questionnaire to evaluate the usability of Vista’s personal firewall. Our results show that the...

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A Usability Analysis of Microsoft Windows Vista’s Firewall

The usability of personal firewalls has not received a significant amount of attention in the literature. However, it is essential that these firewalls - which are used by the lay end-user to protect...

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