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Cupertino Electric

Disclosed Jul 28, 20233 years ago24,684 affectedConfirmed

Official notice

What is known

People affected24,684 (as reported by the organization)
DisclosedJul 28, 2023
DiscoveredJun 24, 2023
HappenedJun 14, 2023
AttackRansomware
Data exposedNot stated
SectorEnergy · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Cupertino Electricoag.ca.gov · Official notice
Washington Attorney General breach notice: Cupertino Electricatg.wa.gov · Official notice
Oregon DOJ breach notice: Cupertino Electricjustice.oregon.gov · Official notice
Vermont Attorney General: 2023-07-28 Cupertino Electric Data Breach Notice to Consumersago.vermont.gov · Official notice
Indiana Attorney General 2023 data breach report: Cupertino Electricin.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CAJul 28, 2023
Washington AGresidents of WAJul 28, 2023884
Oregon DOJresidents of ORJul 28, 202324,684
Vermont AGresidents of VTJul 28, 2023
Indiana AGresidents of INJul 28, 2023380
History of this record
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 24684 · backfill source
  • 2026-09-25 · source: empty to https://ago.vermont.gov/document/2023-07-28-cupertino-electric-data-breach-notice-consumers · backfill source
  • 2026-09-25 · attack: unknown to ransomware · backfill source
  • 2026-09-25 · discovered: empty to 2023-06-24 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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