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株式会社オリエンタル・ガード・リサーチ

listed as www.ogr-jp.com · Claimed by Kawa4096 · listed 1 year ago

12m
Age
since listed · data leaked

Status timeline

  1. ListedJul 1, 2025
  2. Data leakeddate unknown

At a glance

Group
Kawa4096
Status
Data leaked
Country
Japan
Listed on leak site
Jul 1, 2025

About the victim

AI dossier — public-source company profile

Oriental Guard Research (オリエンタル・ガード・リサーチ) is a Japanese security company based in Tokyo providing various security services across Tokyo and Kanagawa prefectures. The company emphasizes hospitality-focused security, offering services including standard security operations, assistance for elderly and disabled persons, AED emergency response, and parking facility maintenance.

Industry
Security Services & Personnel
Address
〒110-0016 東京都台東区台東4-28-11 御徒町中央ビル7F

Attack summary

Severity: medium — Company has published an official notice acknowledging unauthorized access and possible personal information leakage. No specific proof files are advertised in the group's leak post, and no exfiltration scope is quantified. Threat is credible but details remain limited.

The kawa4096 group claims an attack on the company. The victim's own site confirms unauthorized access and potential personal information leakage in a 2025.07.02 notice (不正アクセスによる個⼈情報流出の可能性). No specific data categories or exfiltration volume are detailed in the leak post.

medium

Data the group says was taken

AI dossier — extracted from the leak post
  • personal information (unspecified)
  • employee records (inferred)

What the group claims

www.ogr-jp.com

Sources

Source

Indexed 1 year ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About kawa4096

kawa4096 is a recently emerged ransomware group first observed in June 2025, operating with apparent financial motivations based on their targeting patterns across multiple high-value sectors. The group has been documented attacking victims primarily in the United States, Japan, and Germany, with a focus on healthcare, financial services, and public sector organizations, suggesting a strategic approach to maximize potential ransom payments. With 17 known victims identified since their emergence, kawa4096 appears to be a relatively small but active operation, though limited public documentation from major security firms and law enforcement agencies means specific details about their attack methodology, infrastructure, and organizational structure remain largely unknown. The group's targeting of critical sectors including healthcare and government entities indicates they may employ double extortion tactics common among modern ransomware operators, though their specific technical capabilities and initial access methods have not been publicly detailed by established threat intelligence sources. Given the recent timeline of their observed activity beginning in mid-2025, kawa4096 appears to be currently active, though the limited intelligence available suggests they may be either a new independent operation or a smaller affiliate group that has not yet attracted significant law enforcement attention or detailed analysis from major cybersecurity researchers. The group has been linked to 17 public disclosures across our corpus. First observed on a leak site on June 27, 2025; most recent post July 29, 2025. The operation is currently inactive.

Timeline of this disclosure

  • July 1, 2025www.ogr-jp.com listed by kawa4096on the group's public leak site

Other recent disclosures by kawa4096

kawa4096 has been linked to 17 public victims on Darkfield. A sample of the most recent:

See the full kawa4096 dossier →

Sector and geography

Geographically, www.ogr-jp.com is reported in Japan, a country with 220 ransomware disclosures in our corpus.

If your organisation is affected

A listing by kawa4096 means www.ogr-jp.com appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, JPCERT/CC (Japan), as required for your jurisdiction.
  • Monitor for the data appearing on kawa4096's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.