A Large Retailer Loses Millions of Customer Records in a Major

Multiple Choice

A large retailer loses millions of customer records in a major data breach. They must develop and implement a new system which includes new hardware, applications, and storage. Which of the following actions will be most difficult to perform when implementing the new information system?

A) upgrading the computer systems used by the retail chain
B) writing the programs to create the software
C) changing the structure of existing databases that reflect supplier and customer data
D) training the employees to use and manage the new system
E) installing new transaction processing hardware