Q&A How can a software update cause such chaos?

Check-in desks at American Airlines start to build in Dublin Airport Terminal 2 as a major cyber problem affects many airlines and and companies around the world. Picture: Collins

With systems across the world hit by a global IT outage being blamed on an update to Crowdstrike software, Dr Simon Woodworth, lecturer in Business Information Systems at University College Cork, explains what is happening.

What is Crowdstrike software?