You are an IT security professional at Richman Investments, a mid-level financial investment and consulting firm. Richman wants to expand its business operations both in the U.S. and in foreign countries. Richman intends to eventually have 10,000 employees in 20 countries.

The Richman corporate headquarters is located in Phoenix, Arizona. Currently there are eight branch offices in:

• Atlanta, Georgia
• Chicago, Illinois
• Cincinnati, Ohio
• Denver, Colorado
• Los Angeles, California
• Montreal, Canada
• New York City, New York
• Washington, D.C.

The North American offices have a total of 5,000 employees who use desktops, laptops, and wireless devices. All offices deal with several sensitive applications. Management from each office shares application information hosted at the corporate office.

For this assignment:

1. Based on the security objectives in the following table, design an enterprise encryption strategy that supports internal employees, external business partners, and clients. Include your reasoning for using the selected encryption strategy.

Security ObjectiveDescriptionPrivacy or confidentialityKeeping information secret from all but those who are authorized to see itIntegrityEnsuring information has not been altered by unauthorized or unknown meansEntity authentication or identificationCorroborating the identity of an entity, for example a person, a computer terminal, or a credit cardMessage authenticationCorroborating the source of information, also known as data origin authenticationSignatureBinding information to an entityAuthorizationProviding conveyance, to another entity, of official sanction to do or be somethingAccess controlRestricting access to resources to privileged entitiesCertificationEndorsing information by a trusted entityNonrepudiationPreventing the denial of previous commitments or actions