Malvertising and Ad Quality Index 2024 Benchmark Report

This technical report presents the findings from Confiant's Malvertising and Ad Quality (MAQ) Index for the year 2024. It analyzes over 1 trillion advertising impressions monitored from January 1 to December 31, 2024, offering a comprehensive view of security and quality issues within the digital advertising ecosystem. The report outlines a decrease in the industry-wide security violation rate to 0.21%, marking a significant improvement after three years of increasing trends. However, quality violations rose by more than 2.5 times, driven by Heavy Ads. It details the experiences of users across different browsers, highlighting that Firefox users faced significantly higher security risks compared to Chrome and Safari. The report also identifies top threats and advertisements that were blocked in 2024, including gambling and beauty products, while presenting a detailed breakdown of violation rates by country and bidding frameworks. Overall, the findings serve to inform industry stakeholders about the current state of digital advertising quality and security.