Introduction

Up to four million customers have been warned that their details could have been stolen following a sibe attack on the company's web side. Its the third time the business has been targeted about the past 12 months. A piece of critical national intrstructure is under attack, and it ceo is sent a letter. This should be enough to reassure us. But what's unfolding seems quite unsettling. The story on the t v takes place in the opaque, technical world of ciber criminals ranging from lon hackers to state actors on one side, and multi million pound ciber security companies, police and intelligence services on the other.