Jesse Kinsumba

6. programs that can enter computers or IT systems in a number of ways, causing effects that range from simply annoying to highly-destructive and irreparable.
9. This is similar to a virus, but it differs in that all it does is make copies of itself (or part of itself).
11. This refers to the process of a virus entering a computer or certain areas of a computer or files.
12. (attack) A nuke attack is aimed at causing the network connection to fail. A computer that has been nuked may block.
13. Someone who tries to break into (restricted) computer systems.
15. horse Strictly speaking, a Trojan is not a virus, although it is often thought of as such. Really they are programs that, enter computers appearing to be harmless programs, install themselves and carry out actions that affect user confidentiality.

1. This is a Denial of Service (DoS) attack where multiple computers attack a single server at the same time. Compromised computers would be left vulnerable, allowing the attacker to control them to carry out this action.
2. Someone who accesses a computer illegally or without authorisation.
3. Files, programs, applications and operating systems that enable users to operate computers or other IT systems. These are the elements that make the hardware work.
4. This is an executable file that contains various types of virus.
5. Phishing involves massive sending of emails that appear to come from reliable sources and that try to get users to reveal confidential banking information. The most typical example of phishing is the sending of emails that appear to come from an online bank in order to get users to enter their details in a spoof web page.
7. This is not a virus, but a trick that aims to make users believe they have been infected by a virus.
8. bomb This is a program that appears quite inoffensive, but which can carry out damaging actions on a computer, just like any other virus.
10. virus A virus that affects macros in Word documents, Excel spreadsheets, PowerPoint presentations, etc.
14. messages distributed by electronic means from one computer user to one or more recipients via a network.