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Occurring Fact6771IKEGAMI TSUSHINKI CO.,LTD.Electrical Equipment and Precision Instruments

Notice Regarding the Cyberattack Against the Company (Third Report)

It has been confirmed that information believed to be held by the Company was published on the attacker's dark web leak site in connection with suspected unauthorized access to some servers. The content and scope of the published information remain under investigation.

Worth reading
61In focus
Scored from 3 of 5 sections
Direction
Deterioration
Direction inferred from the company’s description.
Scale
—
Displayed only when the document provides numerical figures.
Wording
Avoiding a definitive answer
How definitive the wording is.

Cyberattack on the Company

Subject Entity

IKEGAMI TSUSHINKI CO.,LTD. (the filing company)

Target Locations / Products

Some servers; information believed to have been held by the Company

This disclosure10/02/2026
Cause

Traces suggesting unauthorized access to some servers

Company response

Investigation structure

Investigation underway in coordination with external specialist organizations

Outlook

We will continue to verify and scrutinize the content and scope of the published information. If the progress of the investigation reveals any matters requiring new disclosure, we will promptly announce them.

Event that occurred
ItemDetails
Event nameCyberattack on the Company
Subject EntityIKEGAMI TSUSHINKI CO.,LTD. (the filing company)
Target Locations / ProductsSome servers; information believed to have been held by the Company
CauseTraces suggesting unauthorized access to some servers
Investigation structureInvestigation underway in coordination with external specialist organizations
OutlookWe will continue to verify and scrutinize the content and scope of the published information. If the progress of the investigation reveals any matters requiring new disclosure, we will promptly announce them.
Planned follow-up disclosureIf the progress of the investigation reveals any matters requiring new disclosure, we will promptly announce them.
Items this document does not state (18)
Date of occurrenceDate recognized / date notice receivedAmount of Impact on Business PerformanceAccounting period in which recognizedImpact on Earnings ForecastType of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionSuspended operationsScheduled resumption dateMeasures to prevent recurrenceDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the change

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

This is because, following confirmation based on information provided by external specialist organizations and others, information believed to have been held by the Company was found to have been published on the attacker's leak site.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding the Cyberattack Against the Company (Third Report) | IKEGAMI TSUSHINKI CO.,LTD. (6771) timely disclosure | Komori