HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedTargetedFinancial accountIdentity (basic)LowContained

GranQuartz

bd_d459dc0c18784e71 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 27, 2022

Filed

May 1, 2023

To disclose

15 months

Affected

4state residents only

Linked

4 filings

Confidence

66%

Full breach record for GranQuartz →

GranQuartz, LP notified the New Hampshire AG of a data event affecting 4 NH residents. Unauthorized code was injected into the e-commerce website, allowing an actor to obtain customer checkout information (credit/debit card details) between Dec 29, 2022, and Jan 30, 2023. GranQuartz detected suspicious activity on Jan 27, 2022, engaged forensic specialists, and began notifying affected individuals on April 25, 2023.

J jump to incidentP pin to compareR raw source

Incident timeline

Dec 29, 2022

Begins

May 1, 2023

Filed

vs. sector median

+58 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_2f911af66e5f96f12023-04-25 · +6dCandidate
Massachusetts State AGbd_4e6bbea7f342d3702023-04-25 · +6dVerified
Maine State AGbd_9c470ab1b1ad6d362023-04-25 · +6dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: GranQuartz
norm: granquartz
Domain: granquartz.com
Industry: Retail & Consumerllm

Discovered: Jan 27, 2022
Breach occurred: Dec 29, 2022 – Jan 30, 2023
Materiality determined: —
Notification sent: Apr 25, 2023
Affected individuals: 4state-resident count only
Data types: Financial accountIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau
Initial access: exploit_public_facing

During the incident: Launched an investigation with the assistance of third-party computer forensic specialists
Moved quickly to investigate and respond to the incident
Assessed the security of GranQuartz systems
Identified potentially affected individuals
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Provided written notice to relevant state regulators
Provided written notice to the three major credit reporting agencies
Changes made: Working to implement additional safeguards to prevent a similar event from future occurrence
Reviewed security policies and enhanced procedures to reduce the risk of similar future events
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 months(459 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGApr 25 · first

Massachusetts State AGApr 25 · first

Maine State AGApr 25 · first

New Hampshire State AG+6d · this page

Pattern: first filing Apr 25 (MT), last May 1 (NH) — a 6-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/granquartz-20230501.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 1, 2023
Raw hash: 31f2c02eb0c61ca82b3c2c1102bb3c89d1bbbc1fc328ce711015add4ebca7312

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityGranQuartz

Incidentdiscovered Jan 27, 2022

Stated responseLaunched an investigation with the assistance of third-party computer forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov