HackingRetail & ConsumerTransportation & LogisticsRetailVulnerability ExploitStolen CredentialsZero-DaySupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPIIIdentity (basic)MediumContained

THE HERTZ CORPORATION

bd_88c1a4f18148e5ca · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 10, 2025

Filed

Apr 11, 2025

To disclose

9 weeks

Affected

1,822state residents only

Linked

10 filings

Confidence

65%

Full breach record for THE HERTZ CORPORATION →3 incidents on file

Hertz Corporation notified Montana residents of a data breach involving vendor Cleo Communications US, LLC. An unauthorized third party exploited zero-day vulnerabilities in Cleo's file transfer platform in Oct/Dec 2024 to acquire Hertz data. Hertz confirmed the incident on Feb 10, 2025, and is offering two years of identity monitoring via Kroll. Personal information including names and contact info was potentially impacted.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 132 days

discovery → filing · 9 weeks / 60 days

Oct 1, 2024

Begins

Feb 10, 2025

Discovered

Apr 11, 2025

Filed

vs. sector median

+1 wks slower

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Maine State AGbd_2c96b0a6f7ae2ca62025-04-11Candidate
Washington State AGbd_3f5803c2f674c4ba2025-04-11Verified
California State AGbd_a4ca81d4d55c4b9b2025-04-11Verified
Delaware State AGbd_bae3ed4100ea194a2025-04-11Verified

Show 5 more filings ↓up to 10d gap

Nebraska State AGbd_d6a8b36608cf60032025-04-11Verified
Vermont State AGbd_f5e59707561fd35b2025-04-11Verified
Rhode Island State AGbd_82f3b7bd9ca1832e2025-04-14 · +3dVerified
New Hampshire State AGbd_ac4d00b21e3d316a2025-04-14 · +3dVerified
Illinois State AGbd_b3aa3f6351a7be422025-04-01 · +10dVerified

Name: THE HERTZ CORPORATION
norm: the hertz

Name: THE HERTZ CORPORATION
norm: the hertz
Industry: Retail & ConsumerllmTransportation & Logisticsllm

Discovered: Feb 10, 2025
Breach occurred: Oct 1, 2024 – Dec 31, 2024
Undetected for: 132 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1,822state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Reported this event to law enforcementIn the process of reporting the event to relevant regulators
Third party: via Cleo Communications US, LLC
Initial access: exploit_public_facing

During the incident: Confirmed Cleo took steps to investigate the event and address the identified vulnerabilities
Reported this event to law enforcement
In the process of reporting the event to relevant regulators
Secured the services of Kroll to provide two years of identity monitoring services at no cost
Changes made: Cleo addressed the identified vulnerabilities
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(60 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

Illinois State AGApr 1 · first

Maine State AG+10d

Washington State AG+10d

California State AG+10d

Delaware State AG+10d

Nebraska State AG+10d

Vermont State AG+10d

Montana State AG+10d · this page

Rhode Island State AG+13d

New Hampshire State AG+13d

Pattern: first filing Apr 1 (IL), last Apr 14 (NH) — a 13-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://dojmt.gov/wp-content/uploads/2025/05/Consumer-notification-letter-5.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 11, 2025
Raw hash: 52d350a1d1dd72efaa58637a7da4109824722d34c806377b0621af35ed5945b8

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityTHE HERTZ CORPORATION

Victim entityTHE HERTZ CORPORATION

Incidentdiscovered Feb 10, 2025

Stated responseConfirmed Cleo took steps to investigate the event and address the identified vulnerabilities

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov