MalwareOtherRansomwareData EncryptedIdentity (basic)Government IDFinancial accountMediumContained

Great Northern Corporation

bd_6006a1a18b3c17ba · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 5, 2020

Filed

Feb 18, 2021

To disclose

24 weeks

Affected

4state residents only

Linked

2 filings

Confidence

67%

Full breach record for Great Northern Corporation →2 incidents on file

Great Northern Corporation notified the NH AG of a September 5, 2020 malware incident affecting 4 NH residents. Data included names, SSNs, and financial account info. GNC engaged forensic specialists, notified law enforcement, and offered 12 months of credit monitoring.

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Incident timeline

discovery → filing · 24 weeks / 166 days

Sep 5, 2020

Discovered

Feb 18, 2021

Filed

vs. sector median

+16 wks slower

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

Illinois State AGbd_b8212f372559ecc12021-01-01 · +48dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Great Northern Corporation
norm: great northern
Domain: greatnortherncorp.com
Industry: Otherllm

Discovered: Sep 5, 2020
Materiality determined: —
Notification sent: Feb 9, 2021
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement

During the incident: Worked to restore its systems
Launched an investigation, with assistance from third-party computer forensic specialists
Conducted a comprehensive programmatic and manual review of the potentially impacted information
Began obtaining contact information to notify potentially impacted individuals
Engaged additional services and resources for these individuals
Notified federal law enforcement
Changes made: Reviewing and enhancing existing policies and procedures to reduce the likelihood of a similar future event
Offering impacted New Hampshire residents access to twelve (12) months of free credit monitoring and identity protection services through Epiq
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(166 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 ↗

Illinois State AGJan 1 · first

New Hampshire State AG+48d · this page

Pattern: first filing Jan 1 (IL), last Feb 18 (NH) — a 48-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-northern-20210218.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 18, 2021
Raw hash: e0cf43c59cac59611c572da0f69bb3d975e10ded835c0e488d93ac3733ad9ff7

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityGreat Northern Corporation

Incidentdiscovered Sep 5, 2020

Stated responseWorked to restore its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov