HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

MarineMax, Inc.

bd_29639741801d07d3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 10, 2024

Filed

Jul 16, 2024

To disclose

18 weeks

Affected

448state residents only

Linked

13 filings

Confidence

66%

Full breach record for MarineMax, Inc. →

MarineMax, Inc. reported a cybersecurity incident to the New Hampshire Attorney General. Unauthorized access occurred between March 1 and March 10, 2024, discovered on March 10, 2024. The incident affected 448 New Hampshire residents, exposing personal information. MarineMax engaged forensic experts, notified the FBI, and offered credit monitoring via Experian to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d18 weeks discovery → filing

Incident timeline

undetected · 9 days

discovery → filing · 18 weeks / 128 days

Mar 1, 2024

Begins

Mar 10, 2024

Discovered

Jul 16, 2024

Filed

vs. sector median

+11 wks slower

This filing is one of 13 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 128 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siterhysidabd_10eff69160530f442024-03-20 · +117dVerified by operator

Regulatory filings (9) · sorted by filing gap

Indiana State AGbd_0f878f76066c5f222024-07-16Verified by operator
Massachusetts State AGbd_1172f515803033fd2024-07-16Verified by operator
South Carolina State AGbd_1e2d33b188b249382024-07-16Verified
Vermont State AGbd_8fa0e6de8ec422e12024-07-16Verified by operator

Show 5 more filings ↓up to 126d gap

Maine State AGbd_a019d7e057c3ca542024-07-16Verified
California State AGbd_f6e3aae64c5b56982024-07-16Verified by operator
Montana State AGbd_fb1d2c8bf0d356b12024-07-16Verified by operator
SEC 8-Kbd_f40953669866c89c2024-04-01 · +106dVerified
SEC 8-Kbd_8a1ed142962d25ff2024-03-12 · +126dVerified

Showing first 10 of 12 linked disclosures.

Name: MarineMax, Inc.
norm: marinemax
Domain: marinemax.com

Name: MarineMax, Inc.
norm: marinemax
Domain: marinemax.com
Industry: Retail & Consumerllm

Discovered: Mar 10, 2024
Breach occurred: Mar 1, 2024 – Mar 10, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 16, 2024
Affected individuals: 448state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of Investigation
Initial access: valid_credentials

During the incident: Investigated the incident with the assistance of forensics experts
Notified the Federal Bureau of Investigation of the incident
Arranged to have Experian help protect the affected individuals from identity theft by offering, free of charge, credit monitoring
Provided an explanation of additional steps that affected individuals may consider taking, free of charge, to further protect themselves, including checking credit reports, utilizing fraud alert services and placing a security freeze on credit reports
Changes made: Implemented additional security measures
Continues to aggressively monitor its environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(128 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 8 states

View merged incident ↗

SEC 8-KMar 12 · first

SEC 8-K+20d

Indiana State AG+126d

Massachusetts State AG+126d

South Carolina State AG+126d

Vermont State AG+126d

Maine State AG+126d

California State AG+126d

Montana State AG+126d

New Hampshire State AG+126d · this page

Pattern: first filing Mar 12, last Jul 16 (NH) — a 126-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

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/marinemax-20240716.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 16, 2024
Raw hash: b2a4e01af7604c1595b6b998276a245c9afc4d89ce84cf34696c849cf869b389

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityMarineMax, Inc.

Victim entityMarineMax, Inc.

Incidentdiscovered Mar 10, 2024

Stated responseInvestigated the incident with the assistance of forensics experts

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov