HackingFinancial ServicesFinanceStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Marathon Asset Management, L.P.

bd_af213bc42de7428a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 1, 2022

Filed

Aug 31, 2023

To disclose

13 months

Affected

2state residents only

Linked

2 filings

Confidence

65%

Full breach record for Marathon Asset Management, L.P. →

Marathon Asset Management notified individuals of a data security incident involving a third-party vendor (AMS File Transfer) used by its lender's law firm. Unauthorized access occurred in Sept 2021 and Jan 2022. Affected data included names, SSNs, financial account numbers, DOB, and driver's licenses. No fraud confirmed; data deleted from vendor systems.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 334 days

discovery → filing · 13 months / 395 days

Sep 1, 2021

Begins

Aug 1, 2022

Discovered

Aug 31, 2023

Filed

vs. sector median

+48 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_8ab4ff6047cbe0122023-08-31Verified

Name: Marathon Asset Management, L.P.
norm: marathon asset management

Name: Marathon Asset Management, L.P.
norm: marathon asset management
Industry: Financial Servicesllm

Discovered: Aug 1, 2022
Breach occurred: Sep 1, 2021 – Jan 31, 2022
Undetected for: 334 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 18, 2022
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: External
Regulator citations: notified federal law enforcement
Initial access: supply_chain

During the incident: Took prompt steps to investigate the nature and scope of the incident
Gained assurances from law firm and vendor that all personal information has been deleted from their systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(395 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGAug 31 · first

Montana State AGAug 31 · first · this page

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/OCP/Consumer-notification-letter-624.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 31, 2023
Raw hash: 0f8196fcf58cac49ede92f4a785e1e0ab206c9d0d50ce984b1b50b2020ce3a91

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMarathon Asset Management, L.P.

Victim entityMarathon Asset Management, L.P.

Incidentdiscovered Aug 1, 2022

Stated responseTook prompt steps to investigate the nature and scope of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov