A data breach refers to the unauthorised viewing or sharing of personal information such as email addresses, tax file numbers and personal health information. Personal information can also include address, date of birth, phone number and financial details like credit card and bank accounts.

Collect too much data as an online retailer, and you risk driving consumers away. Collect not enough, and your business is vulnerable to fraud. In this age of data abundance, commercial advantage rests on knowing what to do with the data that pulses through your business and how best to use it for decision-making support.