How do you quantify the value of the information security division for a corporation? Migration of services to a third-party cloud would reduce or increase security vulnerabilities for the enterprise?

How do you quantify the value of the information security division for a corporation? Migration of services to a third-party cloud would reduce or increase security vulnerabilities for the enterprise? Choose either side and justify your response. Feel free to use industry examples.
Many organizations use information technology vendors to develop company solutions. Determine at least three challenges associated with using vendors. Using an example, analyze the relationship between competitive advantage and vendor relationship management overall.
Be sure to respond to at least one of your classmates’ posts.