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Other Disclosures4166Cacco Inc.Information and Communications, Services and Others

Launch of the ad fraud prevention service “X-log”

かっこ launched X-log, a fraudulent-click prevention service for web advertising acquired from 日本クラウディア株式会社, on 1 April 2026. By combining it with the existing O-PLUX service, the company established a system capable of providing integrated fraud prevention from ad traffic acquisition through login and payment.

Worth reading
62In focus
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Direction
Improvement
Direction inferred from the company’s description.
Scale
—
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Wording
Conditional
How definitive the wording is.

Announced details

X-log (ad fraud prevention service)O-PLUX (O-Plux)
Applicable field (uses covered by this announcement)

Fraudulent-click prevention for web advertising, advertising customer acquisition for e-commerce and online businesses, login, payment, and prevention of fraudulent resales

Launch date1 April 2026 (service launched)
What the company reported numerically
Quantitative Effects

Can detect and reduce wasted advertising spend. An independent survey found that 48.3% of e-commerce operators had experienced wasted advertising spend.

Usage history

O-PLUX is described as having the No. 1 domestic adoption record. X-log adoption record: Not disclosed.

Relationship between the counterparty and the company
Cacco Inc.4166
Relationship with the Company

The X-log business was acquired from 日本クラウディア株式会社. The company plans to end its business partnership with VALUE CREATION CO.,LTD.

Counterparty日本クラウディア株式会社
Offering price

Plans start at several tens of thousands of yen per month, and a free plan is also available. Detailed pricing and specifications are adjusted according to each customer's circumstances.

Impact on Business Performance

The impact on results for the fiscal year ending December 2026 is currently under review. The termination of the business partnership with VALUE CREATION CO.,LTD. is expected to have no impact on results because there is no specific business relationship.

The company does not address Contract Value.

Source (materials cited by the company)

Tokyo Shoko Research, “Survey of the Number of Sites Using Paid Fraud Detection Services on E-Commerce Sites in Japan” (as of the end of March 2025)

The company's independent survey (553 e-commerce operators responsible for fraud prevention)

IAS, "Media Quality Report"

Dentsu Group, "Global Advertising Spending Growth Forecast (2024–2027)"

Ministry of Internal Affairs and Communications, "Guidance for Advertisers and Other Parties on Appropriate and Effective Digital Advertising Delivery"

Announced details
ItemDetails
Names of Products / Services CoveredX-log (ad fraud prevention service), O-PLUX (O-Plux)
Counterparty日本クラウディア株式会社
Relationship with the CompanyThe X-log business was acquired from 日本クラウディア株式会社. The company plans to end its business partnership with VALUE CREATION CO.,LTD.
Offering pricePlans start at several tens of thousands of yen per month, and a free plan is also available. Detailed pricing and specifications are adjusted according to each customer's circumstances.
Launch date1 April 2026 (service launched)
Applicable areaFraudulent-click prevention for web advertising, advertising customer acquisition for e-commerce and online businesses, login, payment, and prevention of fraudulent resales
Quantitative EffectsCan detect and reduce wasted advertising spend. An independent survey found that 48.3% of e-commerce operators had experienced wasted advertising spend.
Usage historyO-PLUX is described as having the No. 1 domestic adoption record. X-log adoption record: Not disclosed.
Impact on Business PerformanceThe impact on results for the fiscal year ending December 2026 is currently under review. The termination of the business partnership with VALUE CREATION CO.,LTD. is expected to have no impact on results because there is no specific business relationship.
SourceTokyo Shoko Research, “Survey of the Number of Sites Using Paid Fraud Detection Services on E-Commerce Sites in Japan” (as of the end of March 2025), The company's independent survey (553 e-commerce operators responsible for fraud prevention), IAS, "Media Quality Report", Dentsu Group, "Global Advertising Spending Growth Forecast (2024–2027)", Ministry of Internal Affairs and Communications, "Guidance for Advertisers and Other Parties on Appropriate and Effective Digital Advertising Delivery"
Items this document does not state (8)
Counterparty overviewContract ValueContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scale

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.

To reduce wasted advertising spend caused by fraudulent clicks at the ad traffic acquisition stage and support fraud prevention across the entire online business in conjunction with its existing fraud detection services.

How to read this page

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Launch of the ad fraud prevention service “X-log” | Cacco Inc. (4166) timely disclosure | Komori