HackingTransportation & LogisticsTransportationStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Overseas Shipholding Group, Inc.

bd_4572f9d6af857ada · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 28, 2024

Filed

Dec 2, 2024

To disclose

5 weeks

Affected

Not disclosed

Linked

9 filings

Confidence

67%

Full breach record for Overseas Shipholding Group, Inc. →

Overseas Shipholding Group, Inc. notified consumers of a data security incident involving unauthorized access to its computer systems. The incident exposed names and government identifiers including Social Security numbers, passport numbers, and Merchant Mariner credentials. OSG secured the systems, investigated the incident, and provided one year of complimentary credit monitoring to affected individuals.

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Vermont clock⏱ VT AG >14 bday5 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 5 weeks / 35 days

Oct 28, 2024

Discovered

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
Massachusetts State AGbd_517c65309ffc4f472024-12-02Verified by operator
Montana State AGbd_6a3b10a50aac26542024-12-02Verified
California State AGbd_700f147321d34c862024-12-02Verified by operator

Show 3 more filings ↓

Washington State AGbd_ab04de904f82bc8a2024-12-02Verified by operator
Indiana State AGbd_c0ea9d11d663ec592024-12-02Verified by operator
New Hampshire State AGbd_f56f78da8d95bfa42024-12-02Verified 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: Transportation & Logisticsllm

Discovered: Oct 28, 2024
Materiality determined: —
Notification sent: Dec 2, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the involved systems
Launched an investigation
Arranged for you to receive a complimentary one-year membership to credit monitoring services
Changes made: Implemented additional security measures to enhance the security of our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(35 days from discovery to filing)
Compliance flags: VT AG >14 bdayLeak >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Maine 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

Vermont 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://ago.vermont.gov/document/2024-12-02-overseas-shipholding-group-data-breach-notice-consumers
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: 8641e7051cb937ab86915b51af93eb9d23080038672b47439b16cfc27462ba2a

Linked disclosures

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Reporting entityOverseas Shipholding Group, Inc.

Victim entityOverseas Shipholding Group, Inc.

Incidentdiscovered Oct 28, 2024

Stated responseSecured the involved systems

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov