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Origin Energy Data Breach: 900,000 Customers Affected, No Dark Web Evidence Yet

Origin Energy Data Breach: 900,000 Customers Affected, No Dark Web Evidence Yet

First seen 14 Oct 2026, 15:31 UTC • •
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ThreatCluster AI
ThreatCluster •October 14, 2026 at 17:35 UTC
  • •900,000 customers affected by the data breach, with sensitive information exposed.
  • •No evidence of data being published on the dark web as of October 14, 2026.
  • •Origin Energy faced criticism for a 20-day delay in notifying affected customers.

Origin Energy reported a data breach affecting approximately 900,000 customers and former customers, with exposed data including names, addresses, and dates of birth. Additionally, full bank account numbers for around 60 customers and identity document numbers for about 100 customers were accessed. Despite the breach occurring in July 2026, the company has not found evidence of the stolen data being published on the dark web as of October 14, 2026. Origin Energy chairman Scott Perkins emphasized the ongoing risk of future publication and urged affected customers to remain vigilant. The company faced criticism for a 20-day notification delay, as customers were informed of the breach only on July 22, despite Origin becoming aware of it on July 2. The CEO did not address the breach during his shareholder address, focusing instead on energy policy reforms. Origin has since upgraded its cybersecurity systems to mitigate future risks.

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Timeline

2026-07-02
Origin becomes aware of data breach
Origin Energy first detected a possible breach affecting customer data.
Darkwebdecoded
2026-07-22
Customers notified of breach
Origin Energy began notifying affected customers about the data breach, 20 days after first awareness.
Canberratimes.Au
2026-10-14
No dark web evidence found
Origin Energy reported no evidence of the stolen data being published on the dark web during the AGM.
Darkwebdecoded

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Common questions

What types of data were compromised?
The breach exposed names, addresses, dates of birth, full bank account numbers for 60 customers, and identity document numbers for about 100 customers.
What should affected customers do?
Affected customers should monitor their accounts for suspicious activity and consider additional identity protection measures.
What actions has Origin taken since the breach?
Origin Energy has upgraded its cybersecurity systems to prevent future incidents and is focused on supporting impacted customers.