Ad fraud continues to evolve, making traffic quality harder to assess and campaign performance more difficult to trust. FraudScore’s Mid-Year Ad Fraud Report analyzes millions of ad interactions from January to June 2026 to reveal where fraud is increasing, which regions and platforms are most affected, and how the landscape has changed compared to the first half of 2025.
In H1 2026, 54.3% of analyzed advertising traffic was classified as fraudulent - up from 39.7% a year earlier. For the first time in the report’s history, every month of the first half exceeded 50% fraud.
FraudScore’s Mid-Year Ad Fraud Report 2026 covers:
- Global ad fraud rates for H1 2026 and month-by-month trends
- Regional fraud distribution across South America, the EU, APAC, China, the US/Canada, the Middle East, and other markets
- Mobile vs web fraud trends and how each channel evolved
- Key regional changes compared to the first half of 2025
- Insights into the evolving fraud landscape and the latest traffic quality trends
- Data-driven benchmarks to help advertisers, agencies, and ad networks evaluate campaign quality
This report provides advertisers, agencies, ad networks, and platforms with a comprehensive overview of ad fraud trends in the first half of 2026 and highlights where fraud risks are increasing across regions, platforms, and traffic types.
