HackingTransportation & LogisticsTransportationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighResolved

Overseas Shipholding Group, Inc.

bd_0e1d268849e71eef · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 28, 2024

Filed

Dec 2, 2024

To disclose

5 weeks

Affected · nationwide

8,085217 in this filing

Linked

9 filings

Confidence

66%

Full breach record for Overseas Shipholding Group, Inc. →

Overseas Shipholding Group, Inc. reported an external system breach (hacking) occurring between July 31 and August 5, 2024. The incident affected 8,085 individuals, including 217 Maine residents. Compromised data included names, Social Security numbers, passport numbers, and merchant mariner credentials. Notifications were sent on December 2, 2024, offering one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 28, 2024 → Filed with AG Dec 2, 202435d ⏱ ME AG >30d5 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 · 89 days

discovery → filing · 5 weeks / 35 days

Jul 31, 2024

Begins

Oct 28, 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

Vermont State AGbd_4572f9d6af857ada2024-12-02Verified 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
Breach occurred: Jul 31, 2024 – Aug 5, 2024
Undetected for: 89 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 2, 2024
Affected individuals: 8,085state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Initial access: exploit_public_facing

During the incident: Secured the involved systems
Launched an investigation
Sent notifications via U.S. First-Class mail
Offered 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: 5 weeks(35 days from discovery to filing)
Compliance flags: ME AG >30d · 35dLeak >90d
Discovery-date grounding: 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Oct 28, 2024
→ Filed with AG: Dec 2, 2024
35d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 28, 2024 → Filed with AG: Dec 2, 2024	35d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

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

Maine 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/30031bfc-881c-402f-b51a-36c43c49dd5c.html
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: 482cb40f4c2ed55fd0482e8653ef09db535f3cc5b0041f4ba8e7f324ae133ac6

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

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov