DisclosureLens
GLOBALtranslated → enUnknownRansomwareThegentlemenLow

Omikenshi

bd_2b7642b0a9791e38 · schema v1 · pii pii-v1

Severity

Low

Discovered

Filed

Mar 16, 2026

To disclose

Affected

Not disclosed

Linked

2 filings

Confidence

60%
Full breach record for Omikenshi

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 and machine-translated to English — verify against the source.

Summary

machine-translated

Cyberattack on Omikenshi, delay in financial reporting due to core system shutdown | ScanNetSecurity. Omikenshi Co., Ltd.: The company Omikenshi issued a statement providing an update on the computer outage that occurred on March 16 following unauthorized access. The investigation revealed that an intrusion via a VPN and ransomware encryption had taken place, and that part of the data from certain servers had been exfiltrated. The company stated that its customers' personal data was not affected and announced the postponement of its financial results publication. Linked ransomware group: thegentlemen.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Mar 16, 2026

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 2023-02-28

thegentlemen

According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.

870 tracked hereFull profile →