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Optus taken to court by ACMA over massive data breach
The Australian Communications and Media Authority has brought proceedings against Optus over a September 2022 data breach that comprised the data of up to 10 million customers, the first lawsuit filed by a regulator following a string of major cyberattacks over the past two years.
‘The system is broken’: OAIC dragging feet on Latitude data breach probe, class action firm says
A law firm investigating a group proceeding against non-bank lender Latitude over a data breach last year has called on the information commissioner to give an update on a related class action-style complaint.
Veteran information regulator to take the reins at OAIC
A veteran regulator with decades of government experience has been appointed to lead the Office of the Australian Information Commission amid a major overhaul of privacy laws and simmering controversies over AI, children's privacy and data security.
OAIC’s decision to refuse second Optus class action complaint quashed
A judge has quashed the OAIC’s decision to reject a second class action-style complaint filed over the massive Optus data breach, finding the Privacy Act does not bar second-in-time proceedings. 
‘A war on two fronts’: No relief in sight for companies battling multiple privacy class actions
More companies may find themselves in the position of Medibank -- which recently failed to stay representative proceedings before the privacy regulator while a related class action is on foot -- so long as the laws remain unchanged, and law firms are willing to gamble on privacy class actions.
Medibank can’t halt class action-style complaint to OAIC over data breach
A judge has dismissed a bid by Medibank to restrain the Office of Australian Information Commissioner from proceeding with a class action-style complaint on behalf of millions of the private health insurer's customers affected by an October 2022 data breach.
HWL Ebsworth faces OAIC investigation over data breach
The Australian Information Commissioner has launched an investigation into the personal information handling practices of law firm HWL Ebsworth following a cyberattack that saw the firm’s data dumped on the dark web. 
DVA may face class action for sharing veterans’ sensitive medical data
The Department of Veterans' Affairs is facing a class action investigation for allegedly sharing the sensitive medical and personal data of 300,000 veterans and their families without authorisation.
Sensitive data of 223,000 people stolen in ACL data breach: OAIC
'Serious and systemic' failures in Australian Clinical Labs' cyber framework left the pathology services provider vulnerable to a cyberattack that exposed the sensitive health data of more than 223,000 people, including tests for fertility and sexually transmitted diseases, according to the OAIC.
OAIC takes Australian Clinical Labs to court over data breach
The Office of the Australian Information Commissioner has brought civil penalty proceedings accusing pathology services provider Australian Clinical Labs of failing to take steps to prevent a February 2022 data breach that affected millions of patients.