PLEASE ANSWER ALL MY QUESTIONS.

1. An organization wants to introduce a device or program that will detect and block attempts to attack an application through input attacks and variable manipulation. What should the organization purchase to accomplish this?

2. In order to facilitate testing, a programmer has inserted computer code into the application that permits the programmer to control the application. The code that the programmer inserted is known as a trap door, back door, or ...............

3. An application that does not perform boundary checking on input data is vulnerable to a(n) ___________________________ attack.

4. The process of closing unused ports and improving security settings on a system is known as ________

5. At what step in the software development life cycle should security be included: all levels: conceptual, requirements, specifications,________,_________and testing.