As the enterprise evolves by leveraging new technologies such as bring your own device (BYOD) and the cloud, security architecture needs to be redefined to remain effective. Many services are moving out to the network edge and beyond. There are security issues that must be considered, as often these are tied to internal systems. These significant changes to the traditional network and security architecture results in the need to go back to the blueprints and develop an agile architecture. Understanding the complex data interactions in the enterprise by developing trust models is a requisite exercise, and will be explained in detail in this chapter.
We will cover the following topics in this chapter: