Optus confirms its Singapore-based owner Singtel as the main culprit in triggering nationwide outage

Just when you thought the fallout from last Wednesday's Optus outage couldn't get more bizarre, it's been confirmed the embattled telco's owner in Singapore is the main culprit. It's another embarrasing development about the way the nationwide crash has been handled and it raises further questions about the telco's backups for an essential services. Reporter: Peter Ryan, Senior Business Correspondent Featured: Michael Alp, Australia NZ managing director Cohesity