Worth reading
39Recurring
0–100. This measures how worthwhile something is to read, not how good or bad the company is.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.System disruption caused by a cyberattack
Subject Entity
COTA CO.,LTD.
Target Locations / Products
Internal systems suspected of being infected
Occurrence30 March 2026
This disclosure04/15/2026
Cause
Ransomware infection
Company response
Investigation structure
Investigation conducted in cooperation with external experts
Outlook
The isolation of internal systems suspected of being infected and the network shutdown have been completed. If any leakage of personal information or other data is confirmed, it will be disclosed promptly. Production, order-taking and shipping operations will continue.
| Item | Details |
|---|---|
| Event name | System disruption caused by a cyberattack |
| Date of occurrence | 30 March 2026 |
| Subject Entity | COTA CO.,LTD. |
| Target Locations / Products | Internal systems suspected of being infected |
| Cause | Ransomware infection |
| Investigation structure | Investigation conducted in cooperation with external experts |
| Outlook | The isolation of internal systems suspected of being infected and the network shutdown have been completed. If any leakage of personal information or other data is confirmed, it will be disclosed promptly. Production, order-taking and shipping operations will continue. |
| Planned follow-up disclosure | If any leakage of personal information or other data is confirmed, it will be disclosed promptly. |
Items this document does not state (17)
Date 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.The investigation, conducted in cooperation with external experts, determined that the disruption was caused by a ransomware infection.
How to read this page
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