HackingManufacturingManufacturingEmployee Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentHealth (basic)MinorMediumContained

MINERALS TECHNOLOGIES INC.

bd_dc3b4b8d98ad0ceb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 22, 2020

Filed

Nov 30, 2020

To disclose

6 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

65%

Full breach record for MINERALS TECHNOLOGIES INC. →

Minerals Technologies Inc. experienced a security breach on October 20, 2020, compromising servers containing employee and dependent PII, including SSNs, banking info, and salary history. The incident was discovered on October 22, 2020. MTI contained the breach, retained forensic investigators, and offered credit monitoring to affected individuals.

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Incident timeline

undetected · 2 days

discovery → filing · 6 weeks / 39 days

Oct 20, 2020

Begins

Oct 22, 2020

Discovered

Nov 30, 2020

Filed

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

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_c964e942f95922222020-11-30Verified
Montana State AGbd_09c1399dd0f09fa22020-11-24 · +6dVerified
Indiana State AGbd_8b00f2daf73be4c32020-11-24 · +6dVerified
New Hampshire State AGbd_f91330a0c51ab90e2020-12-08 · +8dVerified

Show 1 more filing ↓up to 10d gap

Maine State AGbd_5a6400f8e2c161d22020-11-20 · +10dCandidate

Name: MINERALS TECHNOLOGIES INC.
norm: minerals technologies

Name: MINERALS TECHNOLOGIES INC.
norm: minerals technologies
Industry: Manufacturingllm

Discovered: Oct 22, 2020
Breach occurred: Oct 20, 2020
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountEmploymentHealth (basic)Minor
Data elements: Social Security numberDate of birth
Attack vector: Unknown
Threat actor: External

During the incident: Retained an IT firm to conduct a thorough forensic investigation
Took steps to ensure that the unauthorized individual no longer had access to our system
Took steps to investigate and contain the incident
Implemented additional security measures
Changes made: Strengthened our system
Arranged for TransUnion to provide two years of complimentary credit monitoring and identity theft protection services
Arranged to provide minor dependents with access to Equifax’s Equifax Child Identity Monitoring service
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(39 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Maine State AGNov 20 · first

Montana State AG+4d

Indiana State AG+4d

Massachusetts State AG+10d

California State AG+10d · this page

New Hampshire State AG+18d

Pattern: first filing Nov 20 (ME), last Dec 8 (NH) — 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://oag.ca.gov/ecrime/databreach/reports/sb24-196605
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 30, 2020
Raw hash: 954fe1ff2ae779e7236e728d834d8f964007401da2e0a7837019fe612863dc5b

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMINERALS TECHNOLOGIES INC.

Victim entityMINERALS TECHNOLOGIES INC.

Incidentdiscovered Oct 22, 2020

Stated responseRetained an IT firm to conduct a thorough forensic investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov