Answers
Demanding money by keeping a user's files locked until a payment is made.
Using another person's stolen details to pretend to be them, often to commit fraud.
When files are changed or damaged so that they will not open or work correctly.
A file sent with a message that runs harmful code when the user opens it.
Software written to harm a computer, its data or its user.
A portable storage device that passes harmful code to a computer when it is plugged in.
Using a network to take over another computer without the owner knowing.
Money lost when an organisation cannot work, or must pay to recover its data.
The loss of customer trust and confidence in a company after a serious data loss.