DisclosureLens
HackingRetailCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Financial accountFinancial credentialsLowContained

GranQuartz

bd_9c470ab1b1ad6d36 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 22, 2023

Filed

Apr 25, 2023

To disclose

5 weeks

Affected · nationwide

5883 in this filing

Linked

4 filings

Confidence

65%
Full breach record for GranQuartz

GranQuartz, LP experienced an external system breach on December 29, 2022, which was discovered on March 22, 2023. The incident compromised names combined with financial account or credit/debit card numbers and their associated security codes or PINs. Three Maine residents were among the 588 individuals affected. Written notifications were sent to consumers on April 25, 2023.

Maine clockDiscovered Mar 22, 2023Filed with AG Apr 25, 202334d ME AG >30d5 weeks discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 83 days
discovery → filing · 5 weeks / 34 days

Dec 29, 2022

Begins

Mar 22, 2023

Discovered

Apr 25, 2023

Filed

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

Filing propagation · 4 filings · 4 states

View merged incident ↗
Montana State AGApr 25 · first
Massachusetts State AGApr 25 · first
Maine State AGApr 25 · first · 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.