DisclosureLens
GLOBALUnknownRansomwareUndergroundLow

Casio Computer Co., Ltd

bd_46d530b2bdaa0800 · schema v1 · pii pii-v1

Severity

Low

Discovered

Filed

Oct 5, 2024

To disclose

Affected

Not disclosed

Linked

2 filings

Confidence

60%
Full breach record for Casio Computer Co., Ltd

Press / market disclosure — not a breach-notification filing

A media or market posting that confirms an incident but carries no breach-notification fields, so compliance clocks aren't assessable. The summary below is extracted from the coverage — verify against the source.

Casio Suffers Major Cyber Attack: Unauthorized Access to Network Confirmed. Casio Computer Co.: The Japanese company Casio Computer Co. confirmed a major cyberattack that allowed unauthorized parties to access its network, resulting in a system outage and service disruptions. The company promptly reported the incident to the relevant authorities and engaged cybersecurity experts to conduct a thorough investigation. Casio has taken measures to strengthen its security and protect its customers' data, and has committed to improving its security protocols to prevent such incidents in the future. Linked ransomware group: underground.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Oct 5, 2024

Press report

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Attack → press

Compliance clock

Not assessable

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

Linked disclosures

Why this link?

Ransomware claims (1)

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market reportThis record

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • incident type + narrative only (may be machine-translated)
  • discovery date
  • materiality
  • affected count
  • data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-05-30

underground

According to ransomware.live, Underground ransomware is deployed by the Russia-based RomCom group (Storm-0978) and has victimized companies across multiple industries since July 2023 by exploiting CVE-2023-36884, encrypting files without changing extensions and deleting Volume Shadow Copies and Windows event logs in double-extortion campaigns.

26 victims claimed globally26 tracked hereFull profile →