HackingManufacturingManufacturingStolen CredentialsData ExfiltratedTargetedPIIIdentity (basic)LowContained

Plymouth Tube

bd_254586f27ad17893 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 29, 2024

Filed

Mar 19, 2024

To disclose

7 weeks

Affected

1state residents only

Linked

6 filings

Confidence

65%

Full breach record for Plymouth Tube →

Plymouth Tube Company notified Montana residents of a data breach where unauthorized access occurred Jan 27-29, 2024. The attacker accessed systems and copied files containing PII. The company engaged a cybersecurity firm, notified law enforcement, and offered two years of identity monitoring. Discovery was Jan 29, 2024.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 2 days

discovery → filing · 7 weeks / 50 days

Jan 27, 2024

Begins

Jan 29, 2024

Discovered

Mar 19, 2024

Filed

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecactusbd_a7d07488ea7408432024-01-26 · +53dVerified by operator

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_65450b537206b2912024-03-19Verified
New Hampshire State AGbd_d23db3aea0a731902024-03-19Verified
Indiana State AGbd_60efd9bbce21b60c2024-03-13 · +6dVerified
Illinois State AGbd_b98b10a0e583e0202024-03-01 · +18dCandidate

Name: Plymouth Tube
norm: plymouth tube
Domain: plymouth.com

Name: Plymouth Tube
norm: plymouth tube
Domain: plymouth.com
Industry: Manufacturingllm

Discovered: Jan 29, 2024
Breach occurred: Jan 27, 2024 – Jan 29, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 13, 2024
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: reported the incident to law enforcement
Initial access: valid_credentials

During the incident: Took immediate action to contain the incident
Began an investigation with the assistance of a cybersecurity firm
Reported the incident to law enforcement
Offering two years of complimentary identity monitoring services through IDX
Changes made: Take steps to enhance the security of our computer systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Illinois State AGMar 1 · first

Indiana State AG+12d

Massachusetts State AG+18d

New Hampshire State AG+18d

Montana State AG+18d · this page

Pattern: first filing Mar 1 (IL), last Mar 19 (MT) — a 18-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1205.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 19, 2024
Raw hash: 423d155278c296ae2d76996c31a0b0e7659c4350215b685fcab27c623ad39646

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityPlymouth Tube

Victim entityPlymouth Tube

Incidentdiscovered Jan 29, 2024

Stated responseTook immediate action to contain the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov