The two types of data that pose the greatest risk in this scenario are:
A. Financial data from transactions: This type of data is highly sensitive as it can include credit card numbers, bank account details, and other financial information. If this data were to be breached, it could result in significant financial loss for the customers and potential legal consequences for the company.
C. Data of possible European customers: If the company has European customers, it must comply with the General Data Protection Regulation (GDPR), which has strict rules about the handling of personal data. Non-compliance can result in hefty fines.
So, the correct answers are A. Financial data from transactions and C. Data of possible European customers. These types of data require careful handling to minimize risk and ensure compliance with relevant regulations.