Explanation
Centralization of information security management results in greater uniformity and better adherence to security policies. It is generally less expensive to administer due to the economics of scale. However, turnaround can be slower due to the lack of alignment with business units.

Explanation/Reference:
Explanation:
Policies define security goals and expectations for an organization. These are defined in more specific terms within standards and procedures. Standards establish what is to be done while procedures describe how it is to be done. Guidelines provide recommendations that business management must consider in developing practices within their areas of control; as such, they are discretionary.

Section: INFORMATION RISK MANAGEMENT

Section: INFORMATION SECURITY PROGRAM MANAGEMENT

Explanation
The key requirement is that the information security manager ensures that the third party is contractually bound to follow the appropriate security requirements for the process being outsourced. This protects both organizations. All other steps are contributory to the contractual agreement, but are not key.