In this chapter, learned the basic and most commonly used terminologies while discussing software security. You know the difference between threat, vulnerability, and risk, and understand how each one is related to the other. You also learned about the different kinds of threats and vulnerabilities that can affect a system. You now know how to properly approach coding your security system thanks to the secure code principles. Finally, you learned about the different methods of testing that you should consider in order to make your application robust. Properly understanding these definitions allows you to design better security systems for your software.

So as a developer, you have to address the security of your application, but what does Android do for you? Android has several built-in security measures that reduce the frequency and the potential damage that application security issues may cause. In the next chapter, you will learn about these features and understand how they work.