HackingEnergy & UtilitiesUtilitiesEmployee Data InvolvedIdentity (basic)Government IDMediumContained

Cupertino Electric, Inc.

bd_c22d29c83d49512d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 24, 2023

Filed

Jul 28, 2023

To disclose

5 weeks

Affected

Not disclosed

Linked

8 filings

Confidence

64%

Full breach record for Cupertino Electric, Inc. →2 incidents on file

Cupertino Electric, Inc. notified the California Attorney General of an unauthorized access incident affecting employee data. An unauthorized third party accessed systems between June 14 and June 24, 2023. The company became aware of suspicious activity on June 24, 2023. Affected data includes names, addresses, Social Security Numbers, driver's license numbers, and dates of birth for current and former employees. The company engaged third-party forensics, confirmed system security, and is offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

California clockDiscovered Jun 24, 2023 → Notified Jul 28, 202334d ✓ CA 60-day OK5 weeks discovery → filing

Incident timeline

undetected · 10 days

discovery → filing · 5 weeks / 34 days

Jun 14, 2023

Begins

Jun 24, 2023

Discovered

Jul 28, 2023

Filed

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Washington State AGbd_3b619123cbca56e02023-07-28Candidate
Vermont State AGbd_4ad2f77a2f6a60672023-07-28Verified
Oregon State AGbd_7d70eaf709b6e7002023-07-28Verified
Montana State AGbd_863296c1931dc2092023-07-28Verified

Show 3 more filings ↓

New Hampshire State AGbd_bd7803ba872c32462023-07-28Verified
Maine State AGbd_be562e41fe0fdd3a2023-07-28Verified
Indiana State AGbd_cce212e6d78663322023-07-28Verified

Name: Cupertino Electric, Inc.
norm: cupertino electric

Name: Cupertino Electric, Inc.
norm: cupertino electric
Industry: Energy & Utilitiesllm

Discovered: Jun 24, 2023
Breach occurred: Jun 14, 2023 – Jun 24, 2023
Undetected for: 10 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 28, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified applicable regulatory authorities, as required by law

During the incident: Launched an investigation of the activity with the assistance of third-party forensics specialists
Confirmed the security of our systems
Reviewing the contents of relevant data for sensitive information
Notifying potentially impacted individuals
Offering 24 months of complimentary access to credit monitoring services for affected employees through Cyberscout
Changes made: Reviewing our policies, procedures and processes related to the storage and access of personal information to reduce the likelihood of a similar future event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(34 days from discovery to filing)
Compliance flags: CA 60-day OK · 34d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jun 24, 2023
→ Notified: Jul 28, 2023
34d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jun 24, 2023 → Notified: Jul 28, 2023	34d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Washington State AGJul 28 · first

Vermont State AGJul 28 · first

Oregon State AGJul 28 · first

Montana State AGJul 28 · first

New Hampshire State AGJul 28 · first

Maine State AGJul 28 · first

Indiana State AGJul 28 · first

California State AGJul 28 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-570998
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 28, 2023
Raw hash: 64e98f14aba417a9038c63bc39b97975fd1eea1f71c2b6ae7f7297b28c0d8de6

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityCupertino Electric, Inc.

Victim entityCupertino Electric, Inc.

Incidentdiscovered Jun 24, 2023

Stated responseLaunched an investigation of the activity with the assistance of third-party forensics specialists

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov