Ad fraud continued to grow in 2025, reaching the highest level recorded by FraudScore to date. According to the report, 47.4% of all analyzed advertising traffic was classified as fraudulent, up from 40.76% in 2024. Fraud activity intensified during the second half of the year, with several months exceeding 60% and a record 69.9% fraud rate in December. Mobile traffic remained the main source of fraudulent activity, with fraud rates significantly higher than in web environments. At the same time, fraud levels increased across several major regions, particularly in the EU, APAC, and the Middle East, while the distribution of fraud methods continued to evolve.
FraudScore’s Ad Fraud Report 2025 covers:
- Global ad fraud rates in 2025 and monthly dynamics throughout the year
- Regional distribution of fraudulent traffic across the EU, APAC, China, the US/CA, the Middle East, and other markets
- The most detected fraud categories, including blacklist abuse, events fraud, and IP distribution anomalies
- Key differences between fraud patterns in mobile and web traffic
- Platform-specific insights for Android and iOS, including the most fraud-prone app categories
- Major structural shifts in fraud tactics observed during 2025
This annual report provides advertisers, ad networks, and platforms with a data-driven overview of how fraud levels evolved during the year and where the highest risks are emerging across regions, platforms, and traffic types.