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Other Disclosures153ACaulis Inc.Information and Communications, Services and Others

Tokyo Star Bank Introduces the Fraud Alert Unauthorized Access Detection Service

The Tokyo Star Bank formally adopted カウリス's Fraud Alert service for detecting unauthorized access on its Tokyo Star Direct internet banking platform. The bank will strengthen the detection and prevention of fraudulent account openings, unauthorized access and fraudulent account use.

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Direction
Improvement
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Wording
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Announced details

Fraud AlertTokyo Star Direct
Applicable field (uses covered by this announcement)
Internet bankingWeb account openingDetection and prevention of fraudulent account openings and unauthorized accessFraudulent account usePhishing Scam Countermeasures
Launch date15 April 2026 (the announcement date of the formal adoption; the actual service start date: Not disclosed)
What the company reported numerically
Usage history

Adopted by more than 40 financial institutions, with approximately 600 million monitoring events per month (Fraud Alert overall)

Relationship between the counterparty and the company
Caulis Inc.153A
Relationship with the Company

A business relationship under which The Tokyo Star Bank adopted カウリス's unauthorized-access detection service. The Tokyo Star Bank is a customer using カウリス's service. Capital and personnel relationships: Not disclosed.

CounterpartyThe Tokyo Star Bank, Limited

Head office: Minato-ku, Tokyo; Representative Executive Officer and President: Ito Takeshi (伊東 武). Other company details: Not disclosed.

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

Source (materials cited by the company)

Financial Services Agency, "Guidelines for Anti-Money Laundering and Combating the Financing of Terrorism" and "Further Strengthening of Measures to Prevent the Fraudulent Use of Deposit and Savings Accounts, Including Corporate Accounts" (published August 2024)

Announced details
ItemDetails
Names of Products / Services CoveredFraud Alert, Tokyo Star Direct
CounterpartyThe Tokyo Star Bank, Limited
Counterparty overviewHead office: Minato-ku, Tokyo; Representative Executive Officer and President: Ito Takeshi (伊東 武). Other company details: Not disclosed.
Relationship with the CompanyA business relationship under which The Tokyo Star Bank adopted カウリス's unauthorized-access detection service. The Tokyo Star Bank is a customer using カウリス's service. Capital and personnel relationships: Not disclosed.
Launch date15 April 2026 (the announcement date of the formal adoption; the actual service start date: Not disclosed)
Applicable areaInternet banking, Web account opening, Detection and prevention of fraudulent account openings and unauthorized access, Fraudulent account use, Phishing Scam Countermeasures
Usage historyAdopted by more than 40 financial institutions, with approximately 600 million monitoring events per month (Fraud Alert overall)
SourceFinancial Services Agency, "Guidelines for Anti-Money Laundering and Combating the Financing of Terrorism" and "Further Strengthening of Measures to Prevent the Fraudulent Use of Deposit and Savings Accounts, Including Corporate Accounts" (published August 2024)
Items this document does not state (10)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scaleQuantitative EffectsImpact on Business Performance

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 Tokyo Star Bank adopted the service to strengthen its response to financial crime risks in internet banking and web account opening. Through monitoring for risks including fraudulent use and phishing scams, カウリス will support the strengthening of The Tokyo Star Bank's security framework.

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Tokyo Star Bank Introduces the Fraud Alert Unauthorized Access Detection Service | Caulis Inc. (153A) timely disclosure | Komori