HackingManufacturingManufacturingCustomer Data InvolvedDelayed DiscoveryFinancial accountHealth (basic)Identity (basic)Government IDPIIMediumContained

Murata Electronics North America, Inc.

bd_bbda6c06f3a5f974 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 28, 2026

Filed

May 1, 2026

To disclose

9 weeks

Affected

19state residents only

Linked

3 filings

Confidence

66%

Full breach record for Murata Electronics North America, Inc. →

Murata Electronics North America, Inc. disclosed a data breach discovered on February 28, 2026, involving unauthorized third-party access to its IT environment between March 2025 and February 2026. The company blocked external access, engaged forensic investigators, and enhanced security measures. No evidence of fraudulent misuse was found, but the company provided 24 months of complimentary identity monitoring via Kroll to affected individuals.

J jump to incidentP pin to compareR raw source

Massachusetts clock⏱ MA AG >30d9 weeks discovery → filing

Incident timeline

undetected · 364 days

discovery → filing · 9 weeks / 62 days

Mar 1, 2025

Begins

Feb 28, 2026

Discovered

May 1, 2026

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

Indiana State AGbd_1e44dc96da1f0fa82026-05-01Verified
New Hampshire State AGbd_8e858fdb7c3394172026-04-30 · +1dVerified

Name: Murata Electronics North America, Inc.
norm: murata electronics north america

Name: Murata Electronics North America, Inc.
norm: murata electronics north america
Industry: Manufacturingllm

Discovered: Feb 28, 2026
Breach occurred: Mar 1, 2025 – Feb 28, 2026
Undetected for: 364 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 19state-resident count only
Data types: Financial accountHealth (basic)Identity (basic)Government IDPII
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Blocked external access to the network
Engaged a specialized third-party cybersecurity firm to assist with securing the environment
Conducted a comprehensive forensic investigation
Secured the services of Kroll to provide identity monitoring at no cost to you for 24 months
Changes made: Enhanced its security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(62 days from discovery to filing)
Compliance flags: MA AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

New Hampshire State AGApr 30 · first

Indiana State AG+1d

Massachusetts 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://www.mass.gov/doc/2026-678-murata-electronics-north-america-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 1, 2026
Raw hash: add341d2416d0b4ff4a20f754de20f29b38a4f58a3ef4004663ec56567a3ae4d

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMurata Electronics North America, Inc.

Victim entityMurata Electronics North America, Inc.

Incidentdiscovered Feb 28, 2026

Stated responseBlocked external access to the network

ComplianceMA AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov