IT security is a top priority for many businesses right now. The volume and complexity of threats is constantly increasing and the cost of becoming a victim can be high. According to a 2017 study by the Ponemon Institute, data breaches cost UK organisations an average of £2.48 million. From financial loss through to reputational damage, IT threats can have serious impact for businesses large and small. In 2018, there are five key threats to focus on.