MalwareTransportation & LogisticsTransportationRansomwareData ExfiltratedRansom DemandedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Overseas Shipholding Group, Inc.

bd_ab04de904f82bc8a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 5, 2024

Filed

Dec 2, 2024

To disclose

17 weeks

Affected

956state residents only

Linked

9 filings

Confidence

71%

Full breach record for Overseas Shipholding Group, Inc. →

Overseas Shipholding Group, Inc. reported a ransomware incident affecting 956 Washington residents. Unauthorized access occurred between July 31 and August 5, 2024. Compromised data included names and Social Security numbers. Notifications were sent on December 2, 2024, offering one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d17 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 5 days

discovery → filing · 17 weeks / 119 days

Jul 31, 2024

Begins

Aug 5, 2024

Discovered

Dec 2, 2024

Filed

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

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
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: Aug 5, 2024
Breach occurred: Jul 31, 2024 – Aug 5, 2024
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 2, 2024
Affected individuals: 956state-resident count only
Data types: Identity (basic)Government ID
Data elements: NameSocial Security number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Secured the involved systems
Launched an investigation
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.

Time to disclose: 17 weeks(119 days from discovery to filing)
Compliance flags: Leak >90dClock withheld · occurrence date

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

Indiana State AGDec 2 · first

New Hampshire State AGDec 2 · first

Washington 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA31569.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: e7b8bca0b89445ff56f7a89b1bc5e44edfadca5d20154df92c00bcdb1d83e804

Linked disclosures

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Reporting entityOverseas Shipholding Group, Inc.

Victim entityOverseas Shipholding Group, Inc.

Incidentdiscovered Aug 5, 2024

Stated responseSecured the involved systems

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com