This paper examines the impact of cybercrime and hacking events on equity market volatility across publicly traded corporations. The volatility influence of these cybercrime events is shown to be dependent on the number of clients exposed across all sectors and the type of the cyber security...

By now, almost every business has an internet presence, and is likely engaged in e-commerce. What are the major risks perceived by those engaged in e-commerce and electronic payment systems? What potential risks, if they become reality, may cause substantial increases in operating costs or...

With the progressive digitisation and use, in particular, of the internet of things and artificial intelligence by industries, commerce, financial services, science and education, the public administration, health services as well as individuals, our society and daily life gets more and more...

This paper presents mathematical models for cyber breach probability as function of security spending in protecting a firm's ICT systems. We derive optimal level of security investment as percentage of value-at-risk. We show that the upper bound of optimal investment can be 1/e, 1/√2π or...

Applied Cybersecurity practices in the US private and public industry are transitioning to an overall focus on Cyber Risk Management. It is hence necessary to align IT-Cybersecurity professional association application standards and related educational curricula with emerging applications in...

This paper proposes the Cyber Resilience Preparedness Index for monitoring and comparing the cyber resilience of Africa's top-12 emerging economies. The index covers five critical areas that incorporate a total of 24 indicators derived or adapted from the International Telecommunication Union's...

While data theft and cyber risk are major threats facing organizations, existing research suggests that most organizations do not have sufficient protection to prevent data breaches, deal with notification responsibilities, and comply with privacy laws. This article explores how insurance...

Malicious activity in cyberspace comprises numerous forms, often resulting in significant consequences for the victims. According to the actual circumstances, a number of measures can be considered in response to such cases. In order to bring the perpetrators to justice, it is necessary to...

This paper focuses on key economic and social factors underpinning worldwide issues around cybersecurity and, identifies a new agenda for addressing these issues that is being shaped by the Internet and related information and communication technologies, such as social media. All actors in the...