HackingConstructionConstructionStolen CredentialsCapture Stored DataData ExfiltratedEmployee Data InvolvedGovernment IDFinancial accountEmploymentMediumContained

EMJ Corporation

bd_470f4acbb0117284 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 5, 2021

Filed

Oct 8, 2021

To disclose

5 weeks

Affected

13state residents only

Linked

5 filings

Confidence

67%

Full breach record for EMJ Corporation →

EMJ Corporation, a construction services company, notified the NH Attorney General of a data security incident discovered on September 5, 2021. An unauthorized actor leveraged an admin account to access and exfiltrate data, including W-2s and Social Security numbers, affecting 13 New Hampshire residents. EMJ engaged forensic experts, secured the environment, and notified affected individuals on September 27, 2021, offering 24 months of identity monitoring.

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Incident timeline

discovery → filing · 5 weeks / 33 days

Sep 5, 2021

Discovered

Oct 8, 2021

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_52b2aa8f12bb17572021-10-08Verified
Maine State AGbd_f490187b08b5db962021-10-08Verified
Montana State AGbd_05b53a4f624061322021-09-27 · +11dCandidate
Indiana State AGbd_3729054ba90bb8ad2021-09-27 · +11dVerified

Name: EMJ Corporation
norm: emj

Name: EMJ Corporation
norm: emj
Industry: Constructionllm

Discovered: Sep 5, 2021
Materiality determined: —
Notification sent: Sep 27, 2021
Affected individuals: 13state-resident count only
Data types: Government IDFinancial accountEmployment
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified New Hampshire Attorney GeneralWorking with the FBI
Initial access: valid_credentials

During the incident: Took immediate steps to secure the environment
Launched an investigation
Engaged a digital forensics firm
Retained cybersecurity experts
Working with the FBI
Notifying the affected individuals
Providing former and current employees information about how to protect personal information
Changes made: Enhancing the security of our network to reduce the risk of a similar incident occurring in the future
Offering former and current employees free credit monitoring and identity theft restoration services through TransUnion Interactive
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(33 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGSep 27 · first

Indiana State AGSep 27 · first

Massachusetts State AG+11d

Maine State AG+11d

New Hampshire State AG+11d · this page

Pattern: first filing Sep 27 (MT), last Oct 8 (NH) — a 11-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/emj-corporation-20211008.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 8, 2021
Raw hash: 7414ceaa927dfb80fbe0ba0b5a8e65546ae99782d93366a92201131c03a58a41

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityEMJ Corporation

Victim entityEMJ Corporation

Incidentdiscovered Sep 5, 2021

Stated responseTook immediate steps to secure the environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov