HackingOtherStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Overseas Shipholding Group, Inc.

bd_f56f78da8d95bfa4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 2, 2024

To disclose

—

Affected

92state residents only

Linked

9 filings

Confidence

66%

Full breach record for Overseas Shipholding Group, Inc. →

Overseas Shipholding Group, Inc. notified the New Hampshire Attorney General of a security incident where an unauthorized actor accessed and took files containing personal information of 92 New Hampshire residents on August 5, 2024. OSG secured systems, investigated, and sent notifications on December 2, 2024, offering one year of credit monitoring.

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Leak gap clock⏱ Leak >90d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Aug 5, 2024

Begins

Dec 2, 2024

Filed

This filing is one of 9 about the same incident.View merged incident

A leak claim by ransomhub about this victim predates this filing by 104 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteransomhubbd_a666c19b8e023ed12024-08-19 · +104dVerified by operator

Regulatory filings (7) · sorted by filing gap

Maine State AGbd_0e1d268849e71eef2024-12-02Verified by operator
Vermont State AGbd_4572f9d6af857ada2024-12-02Verified by operator
Massachusetts State AGbd_517c65309ffc4f472024-12-02Verified by operator
Montana State AGbd_6a3b10a50aac26542024-12-02Verified

Show 3 more filings ↓

California State AGbd_700f147321d34c862024-12-02Verified by operator
Washington State AGbd_ab04de904f82bc8a2024-12-02Verified by operator
Indiana State AGbd_c0ea9d11d663ec592024-12-02Verified by operator

Name: Overseas Shipholding Group, Inc.
norm: overseas shipholding
Domain: osg.com

Name: Overseas Shipholding Group, Inc.
norm: overseas shipholding
Domain: osg.com
Industry: Otherllm

Discovered: —
Breach occurred: Aug 5, 2024
Materiality determined: —
Notification sent: Dec 2, 2024
Affected individuals: 92state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Attorney General John Formella
Initial access: valid_credentials

During the incident: Secured the involved systems
Launched an investigation
Sent notifications via U.S. First-Class mail to 92 New Hampshire residents
Offering notice recipients one year of complimentary credit monitoring, fraud consultation, and identity theft restoration services through Equifax
Changes made: Implemented additional measures to enhance the security of its network
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >90d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Maine State AGDec 2 · first

Vermont State AGDec 2 · first

Massachusetts State AGDec 2 · first

Montana State AGDec 2 · first

California State AGDec 2 · first

Washington State AGDec 2 · first

Indiana State AGDec 2 · first

New Hampshire State AGDec 2 · 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://mm.nh.gov/files/uploads/doj/remote-docs/overseas-shipholding-group-20241202.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 2, 2024
Raw hash: 0abc79c8e5d9903fa800d5b27deae34b8b439310dbc529f978b85d5c6ba291ec

Linked disclosures

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Reporting entityOverseas Shipholding Group, Inc.

Victim entityOverseas Shipholding Group, Inc.

IncidentUnauthorized Access

Stated responseSecured the involved systems

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov