AccidentalEnergy & UtilitiesUtilitiesMisdeliveryEmployee Data InvolvedIdentity (basic)Government IDMediumContained

HITACHI ENERGY USA INC.

bd_61aa4da49b5c91d5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 14, 2024

To disclose

—

Affected

Confidence

66%

Full breach record for HITACHI ENERGY USA INC. →

Hitachi Energy USA Inc. disclosed a data security incident on February 22, 2024, involving the improper email transmission of a document containing employees' names and Social Security numbers to 57 recipients (mainly company personnel and one third-party contact). The incident was caused by human error (misdelivery). The company contained the breach by instructing recipients to delete the email and file, and is offering one year of complimentary credit monitoring via Experian.

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Incident timeline

Feb 22, 2024

Begins

Mar 14, 2024

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed57 affectedView incident

Name: HITACHI ENERGY USA INC.
norm: hitachi energy usa

Name: HITACHI ENERGY USA INC.
norm: hitachi energy usa
Industry: Energy & Utilitiesllm

Discovered: —
Breach occurred: Feb 22, 2024
Materiality determined: —
Notification sent: Mar 7, 2024
Affected individuals: 57nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unknown

During the incident: Contacted the 57 people who received the email and instructed them to delete the email and file
Data Privacy Team is confirming compliance with the deletion request
Offering a year of credit monitoring services from Experian at no cost to you
Changes made: Review the causes of this incident and take any necessary precautions to avoid future incidents
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://mm.nh.gov/files/uploads/doj/remote-docs/hitachi-energy-usa-20240314.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 14, 2024
Raw hash: 8d7d7b3b7e4f18a3ef17dd144f0361eed16ced5a4109b5e6d34168d97d1478ff

Reporting entityHITACHI ENERGY USA INC.

Victim entityHITACHI ENERGY USA INC.

IncidentUnknown

Stated responseContacted the 57 people who received the email and instructed them to delete the email and file

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov