Data breaches Data breaches

Technology is getting smarter, but hackers are still stealing data through basic web application flaws. Even sophisticated attacks exploit a series of basic security oversights. In this topic page, we keep tabs on some of the most prominent breaches and discuss how you can avoid being a statistic.

Medibank's data breach costs anticipated to reach $126m by mid-2025

Medibank's data breach costs anticipated to reach $126m by mid-2025

Excluding regulatory or legal penalties.
Ry Crozier Aug 22 2024 10:40AM Security
Optus breach allegedly enabled by access control coding error

Optus breach allegedly enabled by access control coding error

Technical details outlined in ACMA filing.
Ry Crozier Jun 20 2024 12:09PM Security
Optus reins in speculation of data breach penalty size

Optus reins in speculation of data breach penalty size

ACMA "alleges 3.6 million breaches" of Australian laws.
Ry Crozier Jun 17 2024 6:33AM Telco/ISP
Diabetes WA reveals data breach

Diabetes WA reveals data breach

Attack "fully contained" after Medicare numbers compromised.
Richard Chirgwin Apr 4 2024 3:33PM Security
Gov back in data breach 'top five' after near three-year absence

Gov back in data breach 'top five' after near three-year absence

As human error-related incidents rise.
Ry Crozier Feb 22 2024 11:31AM Security
UoW implements new cloud controls following data breach

UoW implements new cloud controls following data breach

December security incident response wraps up.
Richard Chirgwin Jan 11 2024 11:36AM Security
University of Wollongong discloses data breach

University of Wollongong discloses data breach

Incident ‘contained’.
Richard Chirgwin Dec 11 2023 9:31AM Security
Services Australia vets customer data after Brisbane medical group breach

Services Australia vets customer data after Brisbane medical group breach

"Administrative mailbox" targeted.
Ry Crozier Dec 1 2023 6:42AM Security
Okta's data breach bigger than first thought

Okta's data breach bigger than first thought

All customer service contact details leaked.
Richard Chirgwin Nov 30 2023 12:43PM Security
Certis Security Australia suffers email breach

Certis Security Australia suffers email breach

Customers not affected.
Richard Chirgwin Nov 30 2023 11:18AM Security
Queensland passes mandatory data breach notification scheme

Queensland passes mandatory data breach notification scheme

Starts to take effect from mid-2025.
Ry Crozier Nov 30 2023 6:53AM Security
SA patient health info deleted in third-party app breach

SA patient health info deleted in third-party app breach

Folder also contained contact details for 12,624 patients.
Ry Crozier Oct 30 2023 6:25AM Security
AFP deems 16 members 'at risk' after HWLE breach

AFP deems 16 members 'at risk' after HWLE breach

Discloses nature of data that was stolen.
Ry Crozier Oct 24 2023 11:51AM Security
Qld gov introduces data breach notification legislation

Qld gov introduces data breach notification legislation

Lays out obligations and exemptions.
Ry Crozier Oct 13 2023 7:00AM Security
Medibank incurred $7.5 million in direct tech costs after cyber attack

Medibank incurred $7.5 million in direct tech costs after cyber attack

Admin costs dominated breach expenses.
Richard Chirgwin Sep 21 2023 12:03PM Security
Brands have "urgent ethical obligations" to notify customers over data breaches

Brands have "urgent ethical obligations" to notify customers over data breaches

New ethics index released.
Athina Mallis Sep 13 2023 4:07PM Governance
Data breaches drop 16 percent between January and June 2023: OAIC

Data breaches drop 16 percent between January and June 2023: OAIC

Health service providers most affected.
Digital Nation Staff Sep 6 2023 2:30PM Governance
Data breach could cost Medibank $35 million in 2024

Data breach could cost Medibank $35 million in 2024

Excluding regulatory action, lawsuits.
Richard Chirgwin Aug 24 2023 10:28AM Strategy
Energy One latest company to suffer data breach

Energy One latest company to suffer data breach

Impacting Australia, UK operations.
Richard Chirgwin Aug 21 2023 1:06PM Security
Hackers claim to have breached auDA

Hackers claim to have breached auDA

Domain administrator investigating.
Richard Chirgwin Aug 21 2023 6:48AM Security

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