We propose an effective administration model using organizational structure for a decentralized role-based access control environment. Access control administration is a critical issue for large organizations and information systems. A large organization needs decentralized access control by multiple security officers because it has many users and information objects, and a single security offi...

For autocrats facing elections, officers in the internal security apparatus play a crucial role by engaging in coercion on behalf of the incumbent. Yet reliance on these officers introduces a principal-agent problem: Officers can shirk from the autocrat’s demands. To solve this problem, autocrats strategically post officers to different areas based on an area’s importance to the election and th...

BACKGROUND Joint replacement surgery is having an increasing demand as national healthcare systems confront an ever ageing population. Surgical complications associated with lower limb arthroplasty are well known but less investigation has been performed examining its effect on air travel, more specifically, unwanted and significant inconvenience caused to travelers going through airport securi...

In the past, the majority of the computer security officers had difficulty in convincing management to allocate financial resources for IT security. However, with the emergence of electronic commerce and varied legislation, organisations appear to have understood the necessity for computer security, especially data security. Currently, in most organisations, security officers focus on IT securi...

Photo-ID is widely used in security settings, despite research showing that viewers find it very difficult to match unfamiliar faces. Here we test participants with specialist experience and training in the task: passport-issuing officers. First, we ask officers to compare photos to live ID-card bearers, and observe high error rates, including 14% false acceptance of 'fraudulent' photos. Second...

A model is developed which demonstrates that control systems for investments in information security have a positive net economic impact on an organization. This positive effect is an increasing function of the degree of asymmetric information (related to moral hazard and adverse selection) between Chief Security Officers and Chief Financial Officers within an organization. The role of external...

The study was conducted to examine the relationship between problem solving skills and personality traits of university security guards. research carried out with 190 personnel working at universities in 2019. In study, Problem- Solving Skills Scale for Adults Big Five Personality Questionnaire-50 Turkish Form were used. 83.7% participants male, 73.2% married, 68.4% high school graduates, 95.8%...

With ever increasing application of information technologies in every day activities, organizations face the need for applications that provides better security. The existence of complex IT systems with multiple interdependencies creates great difficulties for Chief Security Officers to comprehend and be aware of all potential risks in such systems. Intelligent decision making for IT security i...

Proposed rules aimed at strengthening HIPAA privacy and security requirements have put CIOs and security officers at provider organizations on alert. Experts weigh in on how the changes will play out and what it means for provider organizations.