____________________ is the mechanism by which a child class method is used by default when a parent class contains a method with the same signature.

In the past, a company has experienced several network breaches as a result of end-user actions. To help mitigate future breaches, which of the following documents should the security team ensure are up-to-date and enforced for all employees? (Select TWO)

A. Memorandum of understanding B. Data classification document C. Service level agreement D. Interconnection security agreement E. Consent to monitor F. Acceptable use policy

Mizuho Securities lost $225 million when

a. hackers broke into its trading system and raided the accounts of 10,000 of its most important customers. b. a bug in its billing system caused it to send out improper invoices to 10,000 of its most important customers. c. a bug in its currency trading system caused it to sell yen and purchase dollars when it should have purchased yen and sold dollars. d. it tried unsuccessfully to automate the Tokyo Stock Exchange. e. one of its employees mistyped a sell order, and a bug in the Tokyo Stock Exchange trading program made it impossible to cancel the order.