computer security set 1 Detailed Explanation And More Example

Answer: (a)

A computer program that can copy itself and infect a computer without permission or knowledge of the user. A virus might corrupt or delete data on a computer, use e-mail programs to spread itself to other computers, or even erase everything on a hard disk

Answer: (a)

Answer: (d)

Answer: (a)

An exploit is a code that takes advantage of a software vulnerability or security flaw. It is written either by security researchers as a proof-of-concept threat or by malicious actors for use in their operations. When used, exploits allow an intruder to remotely access a network and gain elevated privileges, or move deeper into the network.

Answer: (e)

A hacker is an individual who uses a computer, networking or other skills to overcome a technical problem. The term also may refer to anyone using their abilities to gain unauthorised access to systems or networks to commit crimes. A hacker may, for example, steal information to hurt people via identity theft or bring down a system and, often, hold it hostage in order to collect a ransom.

Answer: (a)

The virus may come as an attachment along with the emails. When you open and run the attached file, you indirectly allow the virus into your computer system. This will slowly affect your hard drive and the entire system.