MalwareManufacturingTechnologyManufacturingRansomwareStolen CredentialsData ExfiltratedData EncryptedTargetedMulti-Stage ChainPIIIdentity (basic)MediumContained

KYOCERA AVX COMPONENTS CORPORATION

bd_c96686cd343ee345 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 19, 2023

Filed

Nov 27, 2023

To disclose

10 weeks

Affected

1,844state residents only

Linked

3 filings

Confidence

65%

Full breach record for KYOCERA AVX COMPONENTS CORPORATION →

Kyocera AVX Components Corporation disclosed a cybersecurity incident occurring between Feb 16 and Mar 30, 2023, involving ransomware encryption of servers in SC. Unauthorized access was gained, and personal information was exfiltrated. The company engaged forensic experts, notified law enforcement, and offered credit monitoring. Discovery was confirmed on Sep 19, 2023, with notifications sent Oct 30, 2023.

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South Carolina clock✓ SC CRA notice due10 weeks discovery → filing

Incident timeline

undetected · 215 days

discovery → filing · 10 weeks / 69 days

Feb 16, 2023

Begins

Sep 19, 2023

Discovered

Nov 27, 2023

Filed

vs. sector median

1 wks faster

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

Maine State AGbd_8dae54f174be1c472023-11-08 · +19dCandidate
Massachusetts State AGbd_98aba46a8fecd6a42023-11-08 · +19dVerified

Name: KYOCERA AVX COMPONENTS CORPORATION
norm: kyocera avx components

Name: KYOCERA AVX COMPONENTS CORPORATION
norm: kyocera avx components
Industry: ManufacturingllmTechnologyllm

Discovered: Sep 19, 2023
Breach occurred: Feb 16, 2023 – Mar 30, 2023
Undetected for: 215 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 30, 2023
Affected individuals: 1,844state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: notified law enforcement
Initial access: valid_credentials

During the incident: Launched a comprehensive investigation with the assistance of third-party cybersecurity experts
Notified law enforcement
Took proactive measures to remove the unauthorized party
Conducted a thorough and time-intensive eDiscovery review of the data
Offering you complimentary credit monitoring and identity theft protection services for 12/24 months
Changes made: Made additional improvements that strengthen our cybersecurity protections
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(69 days from discovery to filing)
Compliance flags: SC CRA notice due
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 ↗

Maine State AGNov 8 · first

Massachusetts State AGNov 8 · first

South Carolina State AG+19d · this page

Pattern: first filing Nov 8 (ME), last Nov 27 (SC) — a 19-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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/KyoceraAVXComponentsCorp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 27, 2023
Raw hash: d51002d4c354566b2e5e3305af7974821bdf3310dbffb5d42aa200a47ef16deb

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityKYOCERA AVX COMPONENTS CORPORATION

Victim entityKYOCERA AVX COMPONENTS CORPORATION

Incidentdiscovered Sep 19, 2023

Stated responseLaunched a comprehensive investigation with the assistance of third-party cybersecurity experts

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov