FEDERALItem 1.05 · mandatoryHackingRetail & ConsumerRetailAuto Parts RetailCapture Stored DataData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedPIIIdentity (basic)EmploymentLowContained

MarineMax, Inc.

bd_f40953669866c89c · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 10, 2024

Filed

Apr 1, 2024

To disclose

22 days

Affected

Not disclosed

Linked

13 filings

Confidence

88%

Full breach record for MarineMax, Inc. →

MarineMax, Inc. (NYSE: HZO), a recreational boat and yacht retailer, disclosed on March 12, 2024 (amended April 1, 2024) that a cybercrime organization gained unauthorized access to portions of its information environment associated with its retail business. The threat actor exfiltrated limited customer and employee personally identifiable information. The company contained the incident, remediated the affected environment, notified law enforcement, and planned to notify affected parties and regulators.

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SEC clockMateriality determined Mar 10, 2024 → Filed Apr 1, 202422d ✗ SEC 4-day late22 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 22 days

Mar 10, 2024

Discovered

Apr 1, 2024

Filed

vs. sector median

4 wks faster

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siterhysidabd_10eff69160530f442024-03-20 · +11dVerified by operator

Regulatory filings (9) · sorted by filing gap

SEC 8-Kbd_8a1ed142962d25ff2024-03-12 · +20dVerified
Indiana State AGbd_0f878f76066c5f222024-07-16 · +106dVerified by operator
Massachusetts State AGbd_1172f515803033fd2024-07-16 · +106dVerified by operator
South Carolina State AGbd_1e2d33b188b249382024-07-16 · +106dVerified

Show 5 more filings ↓up to 106d gap

New Hampshire State AGbd_29639741801d07d32024-07-16 · +106dVerified by operator
Vermont State AGbd_8fa0e6de8ec422e12024-07-16 · +106dVerified by operator
Maine State AGbd_a019d7e057c3ca542024-07-16 · +106dVerified
California State AGbd_f6e3aae64c5b56982024-07-16 · +106dVerified by operator
Montana State AGbd_fb1d2c8bf0d356b12024-07-16 · +106dVerified by operator

Showing first 10 of 12 linked disclosures.

Name: MarineMax, Inc.
norm: marinemax
SEC CIK: 0001057060
Domain: marinemax.com

Name: MarineMax, Inc.
norm: marinemax
SEC CIK: 0001057060
Domain: marinemax.com
Industry: Retail & Consumerllm
NAICS 441330 · Automotive Parts and Accessories Retailers

Discovered: Mar 10, 2024
Materiality determined: Mar 10, 2024
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Employment
Attack vector: Unauthorized Access
Threat actor: ExternalFinancial
Regulator citations: Intends to provide appropriate notifications to regulatory agencies as required by federal and state law

During the incident: Initiated previously determined incident response and business continuity protocols
Took immediate measures to contain the Incident
Continues to investigate the extent of the Incident with the assistance of external cybersecurity experts
Notified law enforcement authorities
Intends to provide appropriate notifications to potentially affected parties and to regulatory agencies as required by federal and state law
Changes made: The affected information environment is remediated
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 days(22 days from discovery to filing)
Compliance flags: SEC 4-day late · 22d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
SEC
Materiality determined: Mar 10, 2024
→ Filed: Apr 1, 2024
22d cal. 4 business days SEC 4-day late

Statute	Window	Elapsed	Threshold	Status
SEC	Materiality determined: Mar 10, 2024 → Filed: Apr 1, 2024	22d cal.	4 business days	SEC 4-day late

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 · this page

Indiana State AG+126d

Massachusetts State AG+126d

South Carolina State AG+126d

New Hampshire State AG+126d

Vermont State AG+126d

Maine State AG+126d

California State AG+126d

Montana State AG+126d

Pattern: first filing Mar 12, last Jul 16 (MT) — 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 filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.sec.gov/Archives/edgar/data/1057060/000095017024038881/hzo-20240310.htm
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Apr 1, 2024
Raw hash: 0bea578f38f32b17ef5c60d9e945efd85e31e9786c902e819f4a764432266bc1

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Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityMarineMax, Inc.

Victim entityMarineMax, Inc.

Incidentdiscovered Mar 10, 2024

Stated responseInitiated previously determined incident response and business continuity protocols

ComplianceSEC 4-day late

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing