IT systems worldwide were hit today by an outage as a result a bug in an update by Cybersecurity giant Crowdstrike.

It caused havoc the world over from grounding flights, TV stations stopped broadcasting, transport was delayed and some banking systems had difficulties.

To discuss the impact, Kieran is joined by Paul Delahunty, Chief Information Security Officer at Stryve and in studio Jess Kelly, Newstalk’s Technology Correspondent.