A massive technology outage has disrupted businesses, airports, rail companies and banks in several countries. Cyber expert Joseph Jarnecki from RUSI said: "We should reflect on the fact that we are very dependent on these digital systems and as such, when they break, it can have significant impacts on us and our society." <br /> Report by Kennedyl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
