HackingTransportation & LogisticsTransportationVulnerability ExploitSupply Chain (3P Vendor)Customer Data InvolvedGovernment IDHighResolved

CSX Transportation, Inc.

bd_b2c5b056eae0c4ce · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 9, 2021

Filed

Mar 16, 2021

To disclose

5 weeks

Affected · nationwide

12,86710 in this filing

Linked

3 filings

Confidence

50%

Full breach record for CSX Transportation, Inc. →2 incidents on file

CSX Transportation, Inc. filed a data breach notification after a vulnerability in Accellion, Inc.'s FTA software led to unauthorized access to personal information. The breach occurred on December 25, 2020, was discovered on February 9, 2021, and affected 10 Maine residents. The compromised data included names and Social Security numbers. CSX offered one year of credit monitoring and fraud protection services through TransUnion to the individuals impacted.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Feb 9, 2021 → Filed with AG Mar 16, 202135d ⏱ ME AG >30d5 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

undetected · 46 days

discovery → filing · 5 weeks / 35 days

Dec 25, 2020

Begins

Feb 9, 2021

Discovered

Mar 16, 2021

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_bcd981305811ca7a2021-03-16Verified
New Hampshire State AGbd_fd87aa7ed6e1cdcb2021-03-17 · +1dVerified

Name: CSX Transportation, Inc.
norm: csx transportation

Name: CSX Transportation, Inc.
norm: csx transportation
Industry: Transportation & Logisticsllm

Discovered: Feb 9, 2021
Breach occurred: Dec 25, 2020
Undetected for: 46 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 16, 2021
Affected individuals: 12,867state + nationwide
Data types: Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

Changes made: Offered 1 year of credit monitoring and fraud protection services from TransUnion
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 · 35d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Feb 9, 2021
→ Filed with AG: Mar 16, 2021
35d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 9, 2021 → Filed with AG: Mar 16, 2021	35d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGMar 16 · first

Maine State AGMar 16 · first · this page

New Hampshire State AG+1d

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-a1252b4f8318/71cea8ff-e533-4a4b-a53f-cef90233f023.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 16, 2021
Raw hash: b2b5ff99c05ad1ecbb25f3fed47dc9c4924af1b17d9ca18e0874df5e87e7b34d

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCSX Transportation, Inc.

Victim entityCSX Transportation, Inc.

Incidentdiscovered Feb 9, 2021

Stated responseOffered 1 year of credit monitoring and fraud protection services from TransUnion

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov