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Origin Energy data breach exposes personal details of 900,000 customers

Published July 28, 2026 at 9:02 PM UTC

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Origin Energy has confirmed a cyberattack that leaked the personal information of about 900,000 customers. The breach, disclosed on Wednesday, includes names, addresses, phone numbers, and email addresses, but not financial data or passwords. The company says it detected the incident on Tuesday and immediately launched an investigation with external cybersecurity experts. Affected customers are being notified and advised to watch for phishing attempts. The breach is one of the largest to hit an Australian energy retailer, raising concerns about critical infrastructure security. Origin has set up a dedicated helpline and is offering credit monitoring to those impacted. The Australian Cyber Security Centre has been notified and is working with the company. Customers are being urged to change passwords and enable multi-factor authentication on their accounts. The company says it has contained the breach and added extra security measures to prevent further unauthorized access. This incident follows a pattern of high-profile data breaches in Australia, highlighting the ongoing threat from cybercriminals targeting large databases of personal information.