In humanity's relentless drive for convenience and economic growth, we have developed a dangerous level of dependency on networked systems in a very short space of time: in less than two decades, huge parts of the so-called 'critical national infrastructure' (CNI in geekish) in most countries have come under the control of ever more complex computer systems.
Misha Glenny, DarkMarket: Cyberthieves, Cybercops and You
security