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HomeIndustriesAutomotiveDown Under Data Disaster: Nissan Breach Exposes 100,000 Australians and New Zealanders

Down Under Data Disaster: Nissan Breach Exposes 100,000 Australians and New Zealanders


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A recent data breach at Nissan Oceania has exposed the personal information of roughly 100,000 individuals in Australia and New Zealand.

The incident, attributed to a possible ransomware attack, highlights the importance of robust data security practices and the potential consequences of cyberattacks. Let’s delve deeper into the details of the breach and explore steps to minimize the risk of future incidents.

Nissan Oceania Targeted: Ransomware Suspected in Customer Data Breach

In late December 2023, Nissan Oceania, encompassing Nissan Motor Corporation and Nissan Financial Services in Australia and New Zealand, detected a security breach within their local IT infrastructure. While Nissan hasn’t explicitly confirmed a ransomware attack, the Akira ransomware group claimed responsibility in December, alleging they stole 100GB of data. The breach compromised the personal information of customers, dealers, and potentially even employees.

Exposed Data and Potential Repercussions

The exact nature and scope of the exposed data remain unclear. However, initial reports suggest that the compromised information might include names, addresses, contact details, government identification numbers (like Medicare cards and passports), driver’s licenses, and tax file numbers for up to 10% of affected individuals. This data breach puts individuals at risk of identity theft, financial fraud, and phishing attacks.

10 Recommendations to Protect Yourself in the Aftermath

While the damage from the Nissan data breach is already done, here are 10 steps individuals in Australia and New Zealand can take to mitigate potential risks:

  1. Monitor Accounts: Closely monitor bank accounts and credit card statements for any suspicious activity.
  2. Credit Freeze: Consider placing a credit freeze on your credit report to limit the ability of criminals to open new accounts in your name.
  3. Strong Passwords & MFA: Utilize strong and unique passwords for all online accounts and enable multi-factor authentication (MFA) wherever available.
  4. Beware of Phishing: Be cautious of unsolicited emails, calls, or text messages, and avoid clicking on suspicious links or attachments.
  5. Review Privacy Settings: Review and adjust the privacy settings on social media accounts and other online platforms to limit the amount of personal information publicly available.
  6. Suspicious Activity? Report It!: Report any suspected fraudulent activity to the relevant authorities, such as the Australian Competition and Consumer Commission (ACCC) or the New Zealand Commerce Commission (NZCC).
  7. Identity Theft Protection Services: Consider enrolling in identity theft protection services that monitor your credit report and alert you of suspicious activity.
  8. Shred Sensitive Documents: Shred any physical documents containing sensitive information before discarding them.
  9. Stay Informed: Stay updated on the latest cybersecurity threats and best practices by following reputable security blogs and news outlets.
  10. Nissan Updates: Monitor Nissan Oceania’s official channels for updates on the data breach and any further recommendations for affected individuals.


The Nissan data breach serves as a stark reminder of the importance of data security and the constant threat posed by cyberattacks. By implementing these recommendations and remaining vigilant, individuals can minimize the risks associated with this data exposure. Nissan Oceania also has a responsibility to be transparent with affected individuals, provide them with support, and take steps to improve their cybersecurity posture to prevent similar incidents in the future.

Ouaissou DEMBELE
Ouaissou DEMBELEhttps://cybercory.com
Ouaissou DEMBELE is an accomplished cybersecurity professional and the Editor-In-Chief of cybercory.com. He has over 10 years of experience in the field, with a particular focus on Ethical Hacking, Data Security & GRC. Currently, Ouaissou serves as the Co-founder & Chief Information Security Officer (CISO) at Saintynet, a leading provider of IT solutions and services. In this role, he is responsible for managing the company's cybersecurity strategy, ensuring compliance with relevant regulations, and identifying and mitigating potential threats, as well as helping the company customers for better & long term cybersecurity strategy. Prior to his work at Saintynet, Ouaissou held various positions in the IT industry, including as a consultant. He has also served as a speaker and trainer at industry conferences and events, sharing his expertise and insights with fellow professionals. Ouaissou holds a number of certifications in cybersecurity, including the Cisco Certified Network Professional - Security (CCNP Security) and the Certified Ethical Hacker (CEH), ITIL. With his wealth of experience and knowledge, Ouaissou is a valuable member of the cybercory team and a trusted advisor to clients seeking to enhance their cybersecurity posture.


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