Australia: Information Commissioner cybersecurity investigation into Optus following data breach
Progress
Current status
under deliberation
08 Aug 2025 under deliberation
11 Oct 2022 under deliberation
Scope
Implementers
Australia
Policy Area
Data governance
Policy Instrument
Cybersecurity regulation
Regulated Economic Activity
infrastructure provider: internet and telecom services
streaming service provider
technological consumer goods
Government Branch
executive
Government Body
other regulatory body
data protection authority
Implementation Level
national
Timeline of events
Information Commissioner filed civil penalty proceedings against Optus over alleged failure to protect personal information in data breach
On 8 August 2025, the Australian Information Commissioner (AIC) filed civil penalty proceedings in the Federal Court against Singtel Optus Pty Limited and Optus Systems Pty Limited (together, Optus) following an investigation into the data breach di…
SourceEvent type
investigation
Action type
announcement
Government branch
executive
Government body
other regulatory body
Announced AIC cybersecurity investigation into Optus following breach
On 11 October 2022, the Office of the Australian Information Commissioner (AIC) in coordination with Australian Communications and Media Authority (ACMA) opened an investigation into Singtel Optus Pty Ltd, Optus Mobile Pty Ltd and Optus Internet Pty…
SourceEvent type
investigation
Action type
announcement
Government branch
executive
Government body
data protection authority