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medium severity June 23, 2026 · 170k affected

London Hydro Discloses Customer Data Breach

Canadian electricity provider London Hydro is investigating a data breach in which hackers stole customers’ names, addresses, email addresses, phone numbers, and account information (such as billing numbers, service addresses, pricing plans, and meter details). The breach potentially affects its ~170,000 customers. No financial data, SSNs, or payment card information was involved.

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London Hydro Discloses Customer Data Breach
Data exposed:
  • names
  • addresses
  • email-addresses
  • phone-numbers
  • account-information

London Hydro, a Canadian electricity provider, has disclosed a data breach that exposed the personal information of up to 170,000 customers. Hackers accessed names, addresses, email addresses, phone numbers, and detailed account information including billing numbers, service addresses, pricing plans, and meter details. No financial data, Social Security numbers, or payment card information were involved.

Public reporting indicates the breach occurred when unauthorized actors gained access to customer records held by the utility. London Hydro stated it is investigating the incident and has notified affected individuals. Available reporting describes the exposed data as sufficient to enable identity theft, phishing campaigns, and physical targeting of homes. The company emphasized that sensitive payment information remained untouched, though the volume of records—nearly its entire customer base—makes this one of the larger utility breaches in recent Canadian history.

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