What is the primary reason for performing a return on investment analysis?

SCENARIO: A Chief Information Security Officer (CISO) recently had a third party conduct an audit of the security program. Internal policies and international standards were used as audit baselines. The audit report was presented to the CISO and a variety of high, medium and low rated gaps were identified.
The CISO has implemented remediation activities. Which of the following is the MOST logical next step?

Which of the following is MOST useful when developing a business case for security initiatives?

Scenario: Your corporate systems have been under constant probing and attack from foreign IP addresses for more than a week. Your security team and security infrastructure have performed well under the stress. You are confident that your defenses have held up under the test, but rumors are spreading that sensitive customer data has been stolen and is now being sold on the Internet by criminal elements. During your investigation of the rumored compromise you discover that data has been breached and you have discovered the repository of stolen data on a server located in a foreign country. Your team now has full access to the data on the foreign server.
Your defenses did not hold up to the test as originally thought. As you investigate how the data was compromised through log analysis you discover that a hardworking, but misguided business intelligence analyst posted the data to an obfuscated URL on a popular cloud storage service so they could work on it from home during their off-time. Which technology or solution could you deploy to prevent employees from removing corporate data from your network? Choose the BEST answer.

SCENARIO: A CISO has several two-factor authentication systems under review and
selects the one that is most sufficient and least costly. The implementation project planning is completed and the teams are ready to implement the solution. The CISO then discovers that the product it is not as scalable as originally thought and will not fit the organization's needs.
What is the MOST logical course of action the CISO should take?