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Other Disclosures4421D.I.System Co.,Ltd.Information and Communications, Services and Others

DI System to Exhibit at “Security Days Fall 2026 Fukuoka,” a Specialized Cybersecurity Event

The company will exhibit at the cybersecurity event to be held in Fukuoka on 16 October 2026, showcasing and demonstrating the ransomware protection product “Cornelius-EDR by Heimdal” and introducing its security operations support services.

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Announced details

Cornelius-EDR by Heimdalためログ (log management service)WEEDS Trace
Applicable field (uses covered by this announcement)

Cybersecurity, ransomware protection, endpoint and server protection, and security operations support

Launch date16 October 2026 (予定, the event date)
Relationship between the counterparty and the company
D.I.System Co.,Ltd.4421
Relationship with the Company

The company will exhibit at the event, which will be organized and operated by 株式会社ナノオプト・メディア. Capital and personnel relationships are Not disclosed.

Counterparty株式会社ナノオプト・メディア

The organizer and operator of Security Days Fall 2026 Fukuoka. Other details are Not disclosed.

Location (as indicated in this announcement)

ONE FUKUOKA CONFERENCE HALL (ONE FUKUOKA BLDG. 6F, 1-11-1 Tenjin, Chuo-ku, Fukuoka, Fukuoka Prefecture)

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Announced details
ItemDetails
Names of Products / Services CoveredCornelius-EDR by Heimdal, ためログ (log management service), WEEDS Trace
Counterparty株式会社ナノオプト・メディア
Counterparty overviewThe organizer and operator of Security Days Fall 2026 Fukuoka. Other details are Not disclosed.
Relationship with the CompanyThe company will exhibit at the event, which will be organized and operated by 株式会社ナノオプト・メディア. Capital and personnel relationships are Not disclosed.
Launch date16 October 2026 (予定, the event date)
Applicable areaCybersecurity, ransomware protection, endpoint and server protection, and security operations support
LocationONE FUKUOKA CONFERENCE HALL (ONE FUKUOKA BLDG. 6F, 1-11-1 Tenjin, Chuo-ku, Fukuoka, Fukuoka Prefecture)
Items this document does not state (11)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleQuantitative EffectsUsage historyImpact on Business PerformanceSource

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.

Cyberattacks exploiting supply chain vulnerabilities and targeting regional offices and small and medium-sized enterprises are becoming increasingly sophisticated, making it an urgent priority to reduce the burden on information systems and security personnel and implement effective countermeasures.

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DI System to Exhibit at “Security Days Fall 2026 Fukuoka,” a Specialized Cybersecurity Event | D.I.System Co.,Ltd. (4421) timely disclosure | Komori