Computer Misuse Act 1990:

The Computer Misuse Act 1990 is an act created in order to prevent unauthorised access to computers. It can be divided into 3 parts.
NB: Remember to always use the word unauthorised

flowchart TD
    CMA["Computer Misuse Act"] --> Section1["Unauthorised access to computer material"] & Section2["Unauthorised access with intent to commit a further offence"] & Section3["Unauthorised modification of programs or data"]

Unauthorised Access to Computer Material:

• This is when you access someone’s files/data without their authorisation.

• There is a maximum 6 month penalty or a fine.

Unauthorised Access to Computer Material With Intent to Commit a Further Offence:

• Accessing files and data belonging to someone else wanting to do something illegal. Commonly known as hacking. This can be used for all kinds of bad stuff, eg fraud.

• Punishable by up to 5 years in prison or a fine.

Unauthorised Modification of Programs/Data on a Computer.

For example, creating viruses or changing data and records.

Answer: Unauthorised modification of programs/data on a computer.

• Since this modifies the sales bonus spreadsheet/data.

Answer: Unauthorised Access to Computer Material With Intent to Commit a Further Offence

• The intent was to defraud the business so that is also valid. In fact, all three answers here are valid!

Similar question, all three options are valid here!