DisclosureLens
HackingManufacturingManufacturingCustomer Data InvolvedFinancial accountFinancial credentialsLowContained

MITSUBISHI CHEMICAL AMERICA, INC.

bd_e988b7ab580428ec · schema v1 · pii pii-v1

Severity

Low

Discovered

May 20, 2023

Filed

Jul 18, 2023

To disclose

8 weeks

Affected · nationwide

2641 in this filing

Linked

2 filings

Confidence

50%
Full breach record for MITSUBISHI CHEMICAL AMERICA, INC. →

Mitsubishi Chemical America Inc. experienced an external system breach on May 19, 2023, which was discovered the following day. The breach compromised financial account numbers or credit/debit card numbers along with their security codes or PINs. One Maine resident was among the 264 individuals affected. The company notified affected consumers on July 19, 2023, and offered 24 months of identity theft protection services through Experian.

Maine clockDiscovered May 20, 2023 → Filed with AG Jul 18, 202359d ⏱ ME AG >30d8 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 1 days
discovery → filing · 8 weeks / 59 days

May 19, 2023

Begins

May 20, 2023

Discovered

Jul 18, 2023

Filed

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Maine State AGJul 18 · first · this page
Indiana State AG+14d

Pattern: first filing Jul 18 (ME), last Aug 1 (IN) — a 14-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.