were affected worldwide. the crisis was caused by a faulty software update which affected microsoft windows systems. while many airline services are returning to normal, operators expect some delays and cancellations to persist throughout the weekend. and figures released by the airline data provider cirium say that, worldwide, more than 1,600 flights have been cancelled today. the global chaos has sparked concern over the vulnerability of the world s interconnected technologies, and the extent to which a single software glitch could have such widespread impact. and the uk s national cyber security centre is warning that scammers could attempt to take advantage of the widespread computer problems. vincent mcaviney has the latest. a day of worldwide it chaos, thanks to an update meant to protect systems but which instead paralysed them with this blue screen. train services and airports were badly affected with thousands of flights grounded all over the globe, from the uk to as
more now on the digital outage that s disrupted systems around the world. this crisis was caused by a faulty software update and affected key infrastructure, including healthcare, banking and transport all of which rely on microsoft systems. these services are slowly coming back online, but there are wider implications of this crisis beyond the immediate fix that is required. let s speak to simonjones, who s at heathrow airport. the after effects are keenly being felt. , ~ ., ., ., felt. yes. we were down at a terminal felt. yes. we were down at a terminal to felt. yes. we were down at a terminal to a felt. yes. we were down at a terminal to a short felt. yes. we were down at a terminal to a short time - felt. yes. we were down at a terminal to a short time ago| felt. yes. we were down at a . terminal to a short time ago and felt. yes. we were down at a - terminal to a short time ago and i have to say it is very, very busy. to be fair, it was always going to be a rea
which saw severe disruption, say that systems are working again but advised people to check before traveling. a flawed update, rolled out by the cybersecurity firm crowdstrike, knocked many machines offline, hampering retail systems and healthcare, with problems for gps and pharmacies. here s our technology editor, zoe kleinman. yesterday, the global it outage caused worldwide chaos. today, we re still dealing with the aftermath. thousands of flights were grounded and while airports are getting back to normal, there are still many travellers who are stuck. my flight got cancelled while i coming out of my aeroplane and i ve been stranded for around. 0ver 2a hours by now, i think. i have been on my feet for four days by now, i think. no one can really help me right now. now the children are napping on the floor. we had no help. we found another flight, but it s not on the same company and it s only tomorrow morning, so we have to find a room for tonight. queues quickly built up
here in the uk, airports, which saw severe disruption, say that systems are working again but advised people to check before travelling. a flawed update, rolled out by the cybersecurity firm crowdstrike, knocked many machines offline, hampering retail systems and healthcare, with problems for gps and pharmacies. here s our technology editor, zoe kleinman. yesterday, the global it outage caused worldwide chaos. today, we re still dealing with the aftermath. thousands of flights were grounded and while airports are getting back to normal, there are still many travellers who are stuck. my flight got cancelled while i coming out of my aeroplane and i ve been stranded for around. 0ver 2a hours by now, i think. i have been on my feet for four days by now, i think. no one can really help me right now. now the children are napping on the floor. we had no help. we found another flight, but it s not on the same company and it s only tomorrow morning, so we have to find a room for tonig