The recent cyber-attacks aimed at Marks & Spencer, the Co-op and Harrods have been in the news, but this is not just an issue for retailers, as hackers strike almost any firm, in any line of business, at anytime and anywhere in the world. The reality for business leaders, and for investors, is that the risk is practically universal. FTSE 100 CEOs and entrepreneurs running small firms are living in fear that they will be next. Cyber-attacks have cost UK companies £44 billion in lost revenue ov
