HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Clymene Management Services

bd_dfa3991bee42db52 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jan 9, 2025

Filed

Jul 29, 2025

To disclose

—

Affected

1state residents only

Linked

6 filings

Confidence

66%

Full breach record for Clymene Management Services →

Clymene Management Services, LLC reported a data breach to Nebraska AG on July 29, 2025. Unauthorized access occurred between Jan 9-12, 2025, affecting one Nebraska resident's name and SSN. CMS notified law enforcement, provided 1 year of Experian credit monitoring, and implemented additional security safeguards.

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Incident timeline

Jan 9, 2025

Begins

Jan 9, 2025

Discovered

Jul 29, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

California State AGbd_182b0a02e26e1ef32025-07-29Candidate
Massachusetts State AGbd_3c5cb06c109e04c52025-07-29Verified
Maine State AGbd_9b80585a3dcd55f72025-07-29Verified by operator
Indiana State AGbd_ab55ec7e4439edf22025-07-29Verified

Show 1 more filing ↓up to 3d gap

Texas State AGbd_926cef016c67e9a42025-08-01 · +3dVerified by operator

Name: Clymene Management Services
norm: clymene management

Name: Clymene Management Services
norm: clymene management
Industry: Professional Servicesllm

Discovered: Jan 9, 2025
Breach occurred: Jan 9, 2025 – Jan 12, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 29, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Providing written notice of this event to relevant state regulators, as necessary
Initial access: exploit_public_facing

During the incident: Notified federal law enforcement regarding the event
Providing access to credit monitoring services for one (1) year, through Experian, to individuals whose personal information was potentially affected by this event, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing individuals with information on how to place a fraud alert and security freeze on one’s credit file
Providing written notice of this event to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Working to implement additional safeguards and training to its employees
Reviewing existing security policies and dedicating significant effort and resources to implement additional cybersecurity measures to further protect against similar events moving forward
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

California State AGJul 29 · first

Massachusetts State AGJul 29 · first

Maine State AGJul 29 · first

Indiana State AGJul 29 · first

Nebraska State AGJul 29 · first · this page

Texas State AG+3d

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://nebraska.gov/ago/data-breach/documents/61ccdae6-ecea-4263-8f7c-83cb1cf928fb.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 29, 2025
Raw hash: b2f212eb51384e715c694e196f523d13a3ecc916aa817de7a52e7ba72fe7e1b7

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityClymene Management Services

Victim entityClymene Management Services

Incidentdiscovered Jan 9, 2025

Stated responseNotified federal law enforcement regarding the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov