A Security Architect Is Implementing Security Measures in Response to an External

question 319

Multiple Choice

A security architect is implementing security measures in response to an external audit that found vulnerabilities in the corporate collaboration tool suite. The report identified the lack of any mechanism to provide confidentiality for electronic correspondence between users and between users and group mailboxes. Which of the following controls would BEST mitigate the identified vulnerability?

• A) Issue digital certificates to all users, including owners of group mailboxes, and require S/MIME with AES-256.
• B) Federate with an existing PKI provider, and reject all non-signed emails
• C) Implement two-factor email authentication, and require users to hash all email messages upon receipt
• D) Provide digital certificates to all systems, and eliminate the user group or shared mailboxes

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Definitions:

Total Revenue Function

A mathematical formula that represents the total income of a company from its sales of goods or services, typically as a function of price and quantity.

Total Cost Function

A mathematical expression that represents the total cost of production, combining fixed and variable costs, as a function of output level.

Profit Maximisation

The process of adjusting the production and sale of goods and services to achieve the highest possible profit levels, considering constraints and market conditions.

Resale Price Maintenance

A practice where a manufacturer or other supplier dictates the minimum price at which retailers are allowed to sell its product.