HackingEnergy & UtilitiesUtilitiesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Holyoke Gas & Electric

bd_3c10e24e6e167bea · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 30, 2021

Filed

Aug 10, 2021

To disclose

6 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for Holyoke Gas & Electric →2 incidents on file

Holyoke Gas & Electric notified the NH Attorney General that one employee email account was compromised between Nov 2020 and Mar 2021. Discovered June 30, 2021, the incident exposed one NH resident's name and SSN. HG&E engaged forensic experts and offered 12 months of credit monitoring.

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Incident timeline

undetected · 241 days

discovery → filing · 6 weeks / 41 days

Nov 1, 2020

Begins

Jun 30, 2021

Discovered

Aug 10, 2021

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_ceaa1b8e9454266c2021-08-03 · +7dVerified

Name: Holyoke Gas & Electric
norm: holyoke gas electric

Name: Holyoke Gas & Electric
norm: holyoke gas electric
Industry: Energy & Utilitiesllm

Discovered: Jun 30, 2021
Breach occurred: Nov 1, 2020 – Mar 29, 2021
Undetected for: 241 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 3, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Commenced a thorough investigation
Working very closely with external cybersecurity professionals
Providing the affected resident with written notification
Providing the affected resident with a complimentary 12 months of credit monitoring
Changes made: Continually evaluates and modifies its practices to enhance the security and privacy of the personal information it maintains
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(41 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGAug 3 · first

New Hampshire State AG+7d · this page

Pattern: first filing Aug 3 (MA), last Aug 10 (NH) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/great-performances-artists-as-waitresses-20210810.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 10, 2021
Raw hash: 0f5af1422b9d60a2d457c64fb56a78e9c50671c3c5d5cd152bbf095d85c28c24

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityHolyoke Gas & Electric

Victim entityHolyoke Gas & Electric

Incidentdiscovered Jun 30, 2021

Stated responseCommenced a thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov