The criminal use of computer systems - Word Drop

The offence of gaining access to a computer system without permission is called ______. It includes using another person's login details or ______ software to guess passwords. Making the attempt is a crime even when nothing is changed or damaged. It can lead to up to ______ in prison.

Changing data, software or settings without permission is ______. Installing malware such as a worm or a trojan horse is one example. This offence can lead to up to ______ in prison. Writing or producing malware is known as its ______, and deliberately sending it to another person is ______. Malware often arrives through ______ that a user opens, or through untrusted websites.

The law that covers all of these offences is the ______ 1990. It has been updated since then to cover new threats to computer systems. Each offence can also lead to an ______.