Telstra CEO Vicki Brady and senior executives faced a gruelling seven-hour Senate inquiry hearing on Friday, July 17, over the nationwide outage that knocked out mobile services and Triple Zero emergency calls for millions of Australians.
The Outage
The network went down on Wednesday, July 8, after maintenance work on a 15-year-old server triggered a cascading failure. The outage lasted over 12 hours, disrupting payments, transport, and critical communications across the country.
Root Cause: A $30,000 Problem
The inquiry heard the failure was caused by an undocumented design change and a missed software update on a network time-keeping device. That device was part of a server that had been running for 15 years — well past its expected lifespan.
A Telstra executive conceded under questioning that replacing the aging hardware for roughly $30,000 would have prevented the entire outage. Internal warnings about the risk of leaving the server in service were not acted upon.
The Senate Grilling
Senators focused heavily on Telstra’s awareness of the risk and its failure to act.
“Absolute furphy” — One senator fired this at Brady after she described the network’s general resilience during the hearing. The chair also pressed Telstra repeatedly on why documented warnings about the server were ignored.
Brady acknowledged the company’s accountability, telling the inquiry the network was “not infallible” and that Telstra had failed its customers.
Triple Zero Failure
The most damaging testimony concerned the loss of Triple Zero (000) emergency services. The outage prevented some emergency calls from connecting at all.
Telstra confirmed it conducted more than 600 welfare checks on customers whose Triple Zero calls failed. Senators argued this failure exposed a systemic weakness in critical communications infrastructure, questioning whether Telstra’s network design prioritised redundancy for emergency services.
Compensation
Brady told the inquiry Telstra had contacted 8.8 million affected customers. However, she warned that not all would be eligible for compensation. The company has not yet detailed the criteria for payouts or the total amount it expects to pay.
ACMA Testimony
Following the Telstra grilling, the Australian Communications and Media Authority (ACMA) appeared before the same inquiry. Senators questioned the regulator’s oversight of Telstra’s network reliability and whether regulatory frameworks were adequate to prevent similar failures.
What Happens Next
The Senate inquiry is expected to continue examining Telstra’s compliance with its obligations and the role of ACMA in enforcing standards. A report with recommendations is likely, though the timeline remains unclear.
For Telstra, the reputational damage is significant. The admission that a $30,000 hardware replacement could have prevented a national outage — and that internal warnings were ignored — has shifted the story from a technical glitch to a failure of corporate risk management.