HackingTransportation & LogisticsTransportationVulnerability ExploitData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Government IDIdentity (basic)MediumContained

CSX Transportation, Inc.

bd_fd87aa7ed6e1cdcb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 9, 2021

Filed

Mar 17, 2021

To disclose

5 weeks

Affected

7state residents only

Linked

3 filings

Confidence

66%

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

CSX Transportation, Inc. notified the New Hampshire Attorney General of a data security incident involving its use of Accellion FTA software. Unauthorized parties exploited a vulnerability in the platform on December 25, 2020, gaining access to files containing names and Social Security numbers of seven New Hampshire residents. CSX discovered the potential breach on February 9, 2021, contacted law enforcement, and began notifying affected individuals on March 16, 2021, offering credit monitoring services.

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Incident timeline

undetected · 46 days

discovery → filing · 5 weeks / 36 days

Dec 25, 2020

Begins

Feb 9, 2021

Discovered

Mar 17, 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

Maine State AGbd_b2c5b056eae0c4ce2021-03-16 · +1dCandidate
Indiana State AGbd_bcd981305811ca7a2021-03-16 · +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: 7state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Initial access: exploit_public_facing

During the incident: Contacted law enforcement
Launched an investigation
Permanently taken the Accellion FTA offline
Established a toll-free, incident response call center
Offered complimentary memberships to TransUnion, which include credit monitoring and fraud protection services
Changes made: Permanently taken the Accellion FTA offline
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGMar 16 · first

Indiana State AGMar 16 · first

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/csx-transportation-20210317.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 17, 2021
Raw hash: ba6f6d802effa9dcc977072ee5dba621450d1df454a9f1ce47010dd94d041553

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCSX Transportation, Inc.

Victim entityCSX Transportation, Inc.

Incidentdiscovered Feb 9, 2021

Stated responseContacted law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov