Australia was plunged into chaos when Telstra's mobile network went dark for nearly five hours on Wednesday, exposing the country's crippling reliance on connectivity. Trains stood still, traffic lights failed to change, Eftpos payments were blocked, and electric vehicle charging ground to a halt.
Telstra chief financial officer Michael Ackland admitted that the cause of the outage remains unknown, but revealed that time-keeping servers at fault may have been to blame. When these servers feed out-of-sync information across the network, problems arise, he explained.
This isn't the first time a single issue has caused nationwide disruption in Australia - previous outages affecting Optus and Crowdstrike demonstrate the risks of having only three mobile network operators: Telstra, Optus, and Vodafone. With Telstra holding the lion's share of customers, its outages have far-reaching consequences.
Communications minister Anika Wells was quick to respond to the crisis, returning from leave to address the matter. She acknowledged some improvements had been made, but placed blame squarely on telcos for losing public trust.
The Australian Communications and Media Authority has launched an investigation into the Telstra outage, while the company pledged to provide more information on what caused it and potential measures to prevent future outages.