Question 21 (2 points) XYZ Company hired Gary McKinnon, who is a well-known hacker to hack into their computer network. If Gary McKinnon is successful in gaining access to XYZ Company's sensitive information, she will provide XYZ with important tips in securing their network against hackers. The hiring of a hacker to hack into the computer network to uncover weaknesses is referred to as a Deep packet inspection Penetration test. Buffer overflow test. Vulnerability scan