How Advertising Agencies Can Achieve Real-Time Countermeasures Against Ad Fraud - CyberAgent, Onward Digital Lab, and Spider AF Discuss Case Study of Excluding Approx. 30,000 Domains and Eliminating Hundreds of Thousands of Clicks

The era where advertising agencies could assume "it's okay because the media is taking measures" regarding ad fraud countermeasures is over. Spider Labs Inc. (Headquarters: Minato-ku, Tokyo; Representative Director: Satoko Otsuki; hereinafter "Spider Labs") has released a three-party discussion article with CyberAgent, Inc. (hereinafter "CyberAgent") and Onward Digital Lab, Inc. (hereinafter "Onward Digital Lab") on ad fraud countermeasures.

This article introduces, in the words of those on the front lines, how advertising agencies overcame the limitations of manual operations and how the exclusion of approximately 30,000 domains and the elimination of hundreds of thousands of fraudulent clicks were achieved.

What You Can Learn from This Article

For those in charge of considering ad fraud countermeasures for advertising agencies, this discussion covers the following:

- The reality behind the concern "Will the delivery volume decrease?" - What actually happened

- Is it true that "man-hours will increase?" - How automation changed operational load

- Why agencies are proactively moving on ad fraud countermeasures - Reasons explained by CyberAgent

- How to get internal approval - Methods to drive decision-making with a combination of qualitative and quantitative data

- "Cost" or "Investment?" - The positioning of Spider AF introduction from the advertiser's perspective

▶ Full Case Study Here: https://jp.spideraf.com/use-cases/ow-ca

How Advertising Agencies Can Achieve Real-Time Countermeasures Against Ad Fraud

CyberAgent has been repeatedly implementing operations to list and exclude problematic media within their own system, in compliance with JIAA and JAA standards. Nevertheless, the honest challenge felt on the ground was that "continuously adapting to changes in delivery platforms in real-time is difficult with human resources."

Especially with complex account structures, finely segmented by product like Onward Digital Lab's, noise from fraudulent traffic could potentially make otherwise good campaigns appear poor.

"A state where it was difficult to quantitatively measure proper operations" continued.

"There must be something," which turned into numbers - The reality revealed by introducing Spider AF

Even at Onward Digital Lab, which has a strong data analysis culture and evaluates everything quantitatively, the reality of fraud was not visualized.

What was revealed by introducing Spider AF:

- Approximately 30,000 domains excluded as brand safety measures

- Hundreds of thousands of invalid clicks eliminated and reallocated to valid audiences

- Quantitative confirmation of effectiveness as CPA improvement

- Monthly refunds from Yahoo! reinvested as advertising budget

When the reality of invalid clicks was visualized with numbers, the sense of "this is something we must do" strongly resonated with the operational staff, according to Mr. Mitsuta from CyberAgent.

Ad Fraud Countermeasures by Advertising Agencies Cannot Be Solved by One Company Alone

Ad fraud countermeasures cannot be solved by advertisers, agencies, or vendors alone. Advertisers take responsibility for client budgets, advertisers establish mechanisms to protect their brands, and vendors are responsible for visualization and automation. Only when all three parties recognize their respective responsibilities and collaborate can highly transparent advertising operations be achieved.

Spider Labs will continue to support the advertising quality management of advertising agencies and advertisers based on the knowledge gained as the No. 1 ad fraud countermeasure tool in Japan by cumulative installations.

▶ Full Case Study Here: https://jp.spideraf.com/use-cases/ow-ca

About Spider AF Ad Fraud Countermeasures

Ad fraud refers to advertising scams and fraudulent activities that illegally inflate web advertising impressions or clicks to extort advertising fees. While it is estimated to occur at an average of 4.81% of advertising costs by 2025, its difficulty in detection necessitates regular monitoring.

"Spider AF Ad Fraud Countermeasures" is a tool that detects and blocks ad fraud, which inevitably occurs in a certain amount during ad placement.

It has achieved "No. 1 in cumulative installations in Japan" and "No. 1 in cumulative accounts in Japan"*, offering a free diagnosis of damage costs. Anyone can easily implement ad fraud countermeasures by simply installing tags for automatic detection and blocking.

Since its launch, it has been widely used by ad networks, agencies, and advertisers.

For more details, please visit our website: https://jp.spideraf.com/ppc-protection

*Market research on AI ad fraud countermeasure tools for June 2025, conducted by Japan Marketing Research Organization.

Spider AF Ad Fraud Countermeasures

About Spider Labs Inc.

- Company Name: Spider Labs Inc.

- Headquarters: Minami Aoyama ST Building 4F, 7-10-3 Minami Aoyama, Minato-ku, Tokyo

- Representative Director: Satoko Otsuki

- Business Description: Planning, development, and operation of the marketing security SaaS "Spider AF". Providing security solutions for ad fraud, reselling, invalid CV, affiliate marketing, etc.

- Established: April 2011

- Website: https://jp.spideraf.com/