Quantifying Computer Network Security

TL;DR: It is revealed that the author of this chapter had had an affair with a woman while writing this chapter, but the details of the relationship and the woman's identity are not revealed.

TL;DR: The key takeaway for corporate IT decision makers is that IT security breaches are extremely costly, and that the stock market has already factored in some level of optimal IT security investment by companies.

TL;DR: A chasm exists between EMR users and nonusers regarding issues that affect EMR implementation, including necessity, usefulness, data entry, cost, security and confidentiality, according to the chasm theory of marketing.

TL;DR: In this article, the authors examined the stock market's assessment of the cost of data breaches at publicly traded companies in which personal information such as customer and/or employee data are exposed, and found that the overall effect of a data breach on shareholder wealth is negative and statistically significant.