Optus security incident history
Hacking, data breaches and other security incidents involving Optus, with related coverage.
Incidents: 1 · Most recent
Australian telecoms firm Optus's 2022 data breach
Data was leaked at Australian telecoms operator Optus in a 2022 cyber-attack. Australia's telecommunications regulator and privacy regulator subsequently each filed lawsuits. Optus disputed the telecommunications regulator's claims about the sophistication of the attack.
Related reports: 5 · last report →