Optus class action progress

September 2022 data breach · open

Current or former Optus customer whose personal data was exposed in the September 2022 breach. The class action is active in the Federal Court (no settlement approved yet, trial timetabled toward 2027), so no per-person compensation has been assessed.

Where this matter sits now

Incident
Filed in court
Registration open
Before the court
Settlement
Payments / distribution
Closed

Dated milestones

22 September 2022Incident
Optus discloses cyberattack
About 9.5 million current and former customers affected, including licence, passport and Medicare numbers.
Source
11 October 2022Before the court
ACMA opens investigation
The communications regulator begins investigating Optus over the breach.
Source
21 April 2023Filed in court
Slater & Gordon files Federal Court class action
Group proceeding filed with two lead applicants on behalf of affected customers.
Source
May 2024Filed in court
ACMA sues Optus in Federal Court
ACMA alleges Optus breached telecommunications data-protection obligations.
Source
May 2025Before the court
First mediation ends without settlement
Parties attended mediation; the case did not resolve.
Source
8 August 2025Filed in court
OAIC files civil penalty case
Privacy regulator alleges serious interference with the privacy of about 9.5 million Australians.
Source
12 December 2025Before the court
Trial set for 7 June 2027
Justice Beach lists an eight-week trial; a second mediation is ordered beforehand.
Source

Free registration page (Slater & Gordon)

Does this case actually cover you?

Milestones tell you where the case is up to. The eligibility check tells you whether you are in the group — and the case brief lists the criteria, exclusions and evidence that decide it.

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