HackingTransportation & LogisticsTransportationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Keystone Shipping

bd_283c7580fdfecbe1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 20, 2025

Filed

Jul 22, 2025

To disclose

5 weeks

Affected · nationwide

3524 in this filing

Linked

6 filings

Confidence

65%

Full breach record for Keystone Shipping →

Keystone Shipping Co. reported an external system breach (hacking) on June 3, 2025, discovered on June 20, 2025. The incident compromised names and Social Security numbers of 352 individuals, including 4 Maine residents. Notifications were sent on July 21, 2025, offering one year of credit monitoring through IDX. The company engaged external cybersecurity firms and reported the incident to law enforcement.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 20, 2025 → Filed with AG Jul 22, 202532d ⏱ 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 · 17 days

discovery → filing · 5 weeks / 32 days

Jun 3, 2025

Begins

Jun 20, 2025

Discovered

Jul 22, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

A leak claim by akira about this victim predates this filing by 50 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteakirabd_689cba8dfad9bdc92025-06-03 · +49dVerified by operator
Leak Siteakirabd_5e4fb852925299342025-06-02 · +50dVerified

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_0d940d48fec3e4a82025-07-22Verified by operator
New Hampshire State AGbd_dcd977c2ac04ab212025-07-22Verified
Indiana State AGbd_072c1e4c8bf85c422025-07-21 · +1dVerified

Name: Keystone Shipping
norm: keystone shipping
Domain: keyship.com

Name: Keystone Shipping
norm: keystone shipping
Domain: keyship.com
Industry: Transportation & Logisticsllm

Discovered: Jun 20, 2025
Breach occurred: Jun 3, 2025
Undetected for: 17 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 21, 2025
Affected individuals: 352state + 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
Regulator citations: Reported the incident to law enforcement
Initial access: exploit_public_facing

During the incident: Took measures to secure its network
Commenced an investigation with assistance from external cybersecurity firms
Reported the incident to law enforcement
Established a toll-free call center to answer any questions notified individuals may have
Changes made: Enhanced its existing security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(32 days from discovery to filing)
Compliance flags: ME AG >30d · 32dLeak >30d
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: Jun 20, 2025
→ Filed with AG: Jul 22, 2025
32d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 20, 2025 → Filed with AG: Jul 22, 2025	32d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGJul 21 · first

Massachusetts State AG+1d

New Hampshire State AG+1d

Maine State AG+1d · 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/c3434c1f-31fd-48bc-bca0-29bacecddb06.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 22, 2025
Raw hash: c3b24d3d13d651ee3ba0dec2a6827a0476056f412a1d12f7ae663721b9e15eed

Linked disclosures

Ransomware claims (2)

Regulatory filings (3) · sorted by filing gap

Reporting entityKeystone Shipping

Victim entityKeystone Shipping

Incidentdiscovered Jun 20, 2025

Stated responseTook measures to secure its network

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov