What is unauthorised or unintended access to data
Any time when data is accessed by people or organisations who have no legal right to access the data
What is accidental loss of data
The loss of the actual data. This can be through human error or by equipment failure
What is intentional destruction of data
Usually motivated by the desire to have a negative impact on an individual or an organisation. W.g. Viruses that can delete data or magnetic wiping
What is intentional tampering with data
The data is still available but it has been tampered with making it unreliable