Neglected software update caused widespread Telstra network outage, CEO tells Senate inquiry

Vicki Brady told senators maintenance staff were unaware of mass outage risk as critical software failure ‘rippled slowly across the network’Follow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastTelstra has blamed the lack of a software update on a key time-keeping system for an outage that caused nationwide chaos last week, with its maintenance teams also unaware of a design change that affected how it would reset.Telstra’s chief executive, Vicki Brady, told a Senate inquiry into the mobile outage on Friday that 45% of all calls and data sessions last