Who is responsible for deciding the appropriate classification level for data within an organization?

John works as a professional Ethical Hacker. He is assigned a project to test the security of www.we- are-secure.com. He installs a rootkit on the Linux server of the We-are-secure network. Which of the following statements are true about rootkits?
Each correct answer represents a complete solution. Choose all that apply.

You work as a Network Administrator for McNeil Inc. The company has a Linux-based network. David, a Sales Manager, wants to know the name of the shell that he is currently using. Which of the following commands will he use to accomplish the task?

What is the unnoticed theft of sensitive data from a laptop owned by an organization's CEO an example of in information warfare?

Your CIO has found out that it is possible for an attacker to clone your company's RFID (Radio Frequency ID) based key cards. The CIO has tasked you with finding a way to ensure that anyone entering the building is an employee. Which of the following authentication types would be the appropriate solution to this problem?