IT puzzle

4. a data storage device that includes flash memory with an integrated USB interface.
6. a set of instructions, data or programs used to operate computers and execute specific tasks.
8. an umbrella term that describes any malicious program or code that is harmfull to systems.
9. a service that protects your internet connection and privacy online.
11. provides a software interface to hardware devices.
12. a method and data structure that the operating system uses to control how data is stored and retrieved.
14. a new improved or fixed software that replaces older versions of the same software.
16. messages distributed by electronic means from one computer user to one or more recipients via a network.
17. two or more computers that are linked in order to share resources.
18. electro-mechanical data storage device that stores and retrieves digital data.

1. a special name given to a person to uniquely identify them on a computer network.
2. computer programming.
3. a program or a sequence of instructions that is interpreted or carried out by another program.
4. a network security system that monitors and controls incoming and outgoing network traffic.
5. a person skilled in information technology who abuses their knowledge and uses it in a bad way.
7. physical aspects of a computer.
9. a type of malicious software that spreads between computers and causes damages to data and software.
10. wireless networking technology
13. where data is permanently kept on your computer.
15. a string of characters used to verify the identity of a user.