Final answer:
The author's discussion of cybercrime highlights the potential for digital financial data to be compromised, contributing to the central idea by underscoring the risks and impacts of online vulnerabilities.
Step-by-step explanation:
The author's discussion of cybercrime directly contributes to the central idea of the text by highlighting the vulnerabilities and consequences associated with our increased online presence and data storage. By mentioning large-scale data breaches at major companies and government sites, the author emphasizes that digital financial data can be compromised, leading to identity theft, financial theft, and other significant issues. This supports the central theme by illustrating the scale of cybercrime and its impact on individuals and society as a whole.