A Critical Analysis of the Medibank Health Data Breach and Differential Privacy Solutions

This paper critically examines the 2022 Medibank health insurance data breach, which exposed sensitive medical records of 9.7 million individuals due to unencrypted storage, centralized access, and the absence of privacy-preserving analytics. To address these vulnerabilities, we propose an...

Malicious code in @medibank-lib/medi-analytics (npm)

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MAL-2025-3301 Malicious code in @medibank-lib/medi-analytics (npm)

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Who is Alleged Medibank Hacker Aleksandr Ermakov?

Authorities in Australia, the United Kingdom and the United States this week levied financial sanctions against a Russian man accused of stealing data on nearly 10 million customers of the Australian health insurance giant Medibank. 33-year-old Aleksandr Ermakov allegedly stole and leaked the...

Russian TrickBot Mastermind Gets 5-Year Prison Sentence for Cybercrime Spree

40-year-old Russian national Vladimir Dunaev has been sentenced to five years and four months in prison for his role in creating and distributing the TrickBot malware, the U.S. Department of Justice DoJ said. The development comes nearly two months after Dunaev pleaded guilty to committing comput...

Hackers Leak Another Set of Medibank Customer Data on the Dark Web

Medibank on Thursday confirmed that the threat actors behind the devastating cyber attack have posted another dump of data stolen from its systems on the dark web after its refusal to pay a ransom. "We are in the process of analyzing the data, but the data released appears to be the data we...

Australia Passes Bill to Fine Companies up to $50 Million for Data Breaches

The Australian government has passed a bill that markedly increases the penalty for companies suffering from serious or repeated data breaches. To that end, the maximum fines have been bumped up from the current AU$2.22 million to AU$50 million, 30% of an entity's adjusted turnover in the relevan...

Ransomware Gang Leaks Medibank Data on Dark Web

By Habiba Rashid The leak came just days after Medibank, Australia’s largest health insurer, refused to pay ransom to hackers. This is a post from HackRead.com Read the original post: Ransomware Gang Leaks Medibank Data on Dark Web...

Medibank Distressed As Ransomware Group Threatens to Post Stolen Data

By Habiba Rashid While some believe the ransomware group threatening Medibank to be a REvil relaunch, others suspect it is BlogXX, a new operation linked to REvil. This is a post from HackRead.com Read the original post: Medibank Distressed As Ransomware Group Threatens to Post Stolen Data...

Medibank Refuses to Pay Ransom After 9.7 Million Customers Exposed in Ransomware Hack

Australian health insurer Medibank today confirmed that personal data belonging to around 9.7 million of its current and former customers were accessed following a ransomware incident. The attack, according to the company, was detected in its IT network on October 12 in a manner that it said was...

Medibank customers' personal data compromised by cyber attack

Australian health care insurance company Medibank confirmed that the threat actor behind a cyberattack on the company had access to the data of at least 4 million customers. Although Medibank at first said that there was "no evidence that customer data has been accessed," a week later their...

Australian Health Insurer Medibank Suffers Breach Exposing 3.9 Million Customers' Data

Australian health insurance firm Medibank on Wednesday disclosed that the personal information of all of its customers had been unauthorizedly accessed following a recent ransomware attack. In an update to its ongoing investigation into the incident, the firm said the attackers had access to...

Medibank Private Finds the Cure for Ransomware with Carbon Black

Editor's Note: A form of this article originally appeared on CSO.com. Like most large businesses, health insurer Medibank Private was regularly experiencing a few of what CISO Stuart Harrison calls “significant incidents” every month. Its predominantly antivirus-based security defences were missi...