MalwareConstructionConstructionRansomwareData ExfiltratedRansom DemandedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDMediumContained

Cupertino Electric, Inc.

bd_3b619123cbca56e0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 24, 2023

Filed

Jul 28, 2023

To disclose

5 weeks

Affected

884state residents only

Linked

8 filings

Confidence

70%

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

Cupertino Electric, Inc. disclosed a ransomware incident affecting 884 Washington residents. Unauthorized access occurred June 14-24, 2023. Data included names, SSNs, DOBs, and driver's licenses. CEI engaged forensic specialists, notified law enforcement, and provided 2 years of credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d5 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

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

Vermont State AGbd_4ad2f77a2f6a60672023-07-28Verified
Oregon State AGbd_7d70eaf709b6e7002023-07-28Verified
Montana State AGbd_863296c1931dc2092023-07-28Verified
New Hampshire State AGbd_bd7803ba872c32462023-07-28Verified

Show 3 more filings ↓

Maine State AGbd_be562e41fe0fdd3a2023-07-28Verified
California State AGbd_c22d29c83d49512d2023-07-28Verified
Indiana State AGbd_cce212e6d78663322023-07-28Verified

Name: Cupertino Electric, Inc.
norm: cupertino electric
Industry: Construction

Name: Cupertino Electric, Inc.
norm: cupertino electric
Industry: Construction
Industry: Constructionllm

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: 884state-resident count only
Data types: Identity (basic)Government ID
Data elements: NameSocial Security numberDriver's licence numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Providing written notice of this incident to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Initial access: valid_credentials

During the incident: Launched an investigation of the activity with the assistance of third-part forensics specialists
Undertook a comprehensive and thorough review of the impacted information
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for two-years, through TransUnion, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Working to implement additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(34 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

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

California State AGJul 28 · first

Indiana State AGJul 28 · first

Washington 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA26017.pdf
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: 3a9503a891b7861a90b8b0b3b5d8195f52fa8041da4f71f532a816ef50bf88b7

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-part forensics specialists

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com