tcp.porteq 25 request smtp 25 smtp port tcp.contains port 25 admin See author's posts Post navigation A hacker is an intelligent individual with excellent computer skills and the ability to explore a computer’s software and hardware without the owner’s permission. Their intention can either be to simply gain knowledge or to illegally make changes.Which of the following class of hacker refers to an individual who works both offensively and defensively at various times? An enterprise recently moved to a new office and the new neighborhood is a little risky. The CEO wants to monitor the physical perimeter and the entrance doors 24 hours. What is the best option to do this job?