In this chapter, we have seen an introduction to security as well as a number of best practices to use. These best practices will help you to have a safer environment.

Often, people focus so strongly on securing a system from a specific kind of attack that the system seems inexpugnable from that point of view, but they forget to secure the system from other prospective too, making worthless or their work.

In the next chapter, we will dive into some security challenges you may be facing and into the OpenStack structure.