HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Government IDMediumResolved

Steelhead Pathfinder Fund L.P.

bd_00e37f29f5ca4f10 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 18, 2024

Filed

May 16, 2024

To disclose

28 days

Affected

1state residents only

Confidence

64%

Full breach record for Steelhead Pathfinder Fund L.P. →

Steelhead Pathfinder Fund L.P. notified limited partners of a data breach involving an IRS contractor. The contractor illegally inspected or disclosed federal tax returns (including K-1s with names, addresses, and SSNs) between 2018 and 2020. The incident was discovered in April 2024. The fund offered 12 months of Experian IdentityWorks to affected partners. The contractor was criminally charged and sentenced.

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Incident timeline

undetected · 2299 days

discovery → filing · 28 days

Jan 1, 2018

Begins

Apr 18, 2024

Discovered

May 16, 2024

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Steelhead Pathfinder Fund L.P.
norm: steelhead pathfinder

Name: Steelhead Pathfinder Fund L.P.
norm: steelhead pathfinder
Industry: Financial Servicesllm

Discovered: Apr 18, 2024
Breach occurred: Jan 1, 2018 – Dec 31, 2020
Undetected for: 2,299 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 18, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1530 Data from Cloud Storage Object
Threat actor: Partner
Regulator citations: Notified by the Internal Revenue Service (IRS) of an incidentDepartment of Justice criminally charged the contractor
Third party: via Internal Revenue Service (IRS) Contractor
Initial access: supply_chain

During the incident: Notified all individual (and disregarded trust) limited partners whose Form K-1 was included in tax returns filed between Pathfinder’s inception and 2020
Offered a complimentary 12-month membership of Experian’s IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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-1377.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 16, 2024
Raw hash: 1640ac2a9f046644889977246a81ff956e96b20bdc115868afbec66e2d299655

Reporting entitySteelhead Pathfinder Fund L.P.

Victim entitySteelhead Pathfinder Fund L.P.

Incidentdiscovered Apr 18, 2024

Stated responseNotified all individual (and disregarded trust) limited partners whose Form K-1 was included in tax returns filed between Pathfinder’s inception and 2020

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov