DisclosureLens
HackingManufacturingPIILowContained

MINERALS TECHNOLOGIES INC.

bd_f91330a0c51ab90e · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 22, 2020

Filed

Dec 8, 2020

To disclose

7 weeks

Affected

14state residents only

Linked

6 filings

Confidence

66%
Full breach record for MINERALS TECHNOLOGIES INC.

Minerals Technologies, Inc. (MTI) notified the New Hampshire Attorney General of a security breach occurring on or about October 20, 2020. The incident involved unauthorized access to MTI servers, compromising the PII of 14 New Hampshire-based current or former employees and their dependents. MTI retained an IT firm for forensic investigation and sent written notifications to affected residents on November 24, 2020.

Incident timeline

undetected · 2 days
discovery → filing · 7 weeks / 47 days

Oct 20, 2020

Begins

Oct 22, 2020

Discovered

Dec 8, 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

Show 1 more filingup to 18d gap

Filing propagation · 6 filings · 6 states

View merged incident ↗
Maine State AGNov 20 · first
New Hampshire State AG+18d · this page

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.