Ad Fraud White Paper
2020 Second Semester

Learn how COVID-19 affected the Japanese online advertising ecosystem and the operations of fraudsters during the second half of 2020. Join us as we dive into over 600 billion impressions and discover ad fraud trends from July to December 2020.

ad fraud whitepaper 2021 January Q1

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What You Will Learn

This whitepaper contains valuable information on ad fraud collected from July to December 2020.

Analyse Fraud Traffic

How COVID-19 Impacted Ad Fraud

Learn how the pandemic affected fraudsters and the impact of COVID-19 on the online advertising industry.

Block Bad Actors Before They Happen

COVID-19 Timeline in Japan

Get to know how COVID-19 developed over time in Japan in the span of 6 months.

Shared Blacklist

Spider AF Covered Data Analysis

Check which data Spider AF analyzed that affected the online advertising industry covering valuable ad metrics.

 Research & Development

General Ad Fraud Information

Learn about ad fraud methods and various fraud rate changes that occured per month.

How We Detect Ad Fraud

Spider AF detects ad fraud by analyzing data logs for impressions, clicks, conversions, and events. Each media is analyzed for signs of ad fraud and an overall ad fraud score is calculated using AI. Scores beyond a certain threshold are considered ad fraud for the sake of this report.

Shared blacklist members working together