DecryptAds Tool Unmasks Ad Brokers Tracking Location Data Across Websites and Apps

New Tool for Ad Tech Transparency

DecryptAds, a new research tool, has been introduced to provide insight into the advertising industry's data collection practices. The tool focuses on identifying advertising brokers that track user location data and their operational presence across multiple websites and applications. This development addresses the challenge of investigating the pervasive and often opaque nature of ad-driven surveillance.

Consolidating Dispersed Data

The tool achieves its objective by bringing together a large corpus of data from previously disparate sources. Specifically, DecryptAds integrates information from ads.txt and app-ads.txt files, which list advertising systems connected to websites and apps, respectively. It also incorporates data from sellers.json files, used by advertising exchanges to list their partners. This consolidation allows for a comprehensive view of ad broker activities that was previously difficult to obtain.

Addressing Data Privacy Concerns

Zach Edwards, chief product and research at DecryptAds, stated that the tool aims to simplify the process for anyone to understand the data sharing implications of ad tech companies and data brokers. The initiative stems from a recognized need to clarify how hundreds of data brokers sell sensitive information, including location data and other audience segments, which often occurs through processes like real-time bidding (RTB).

Impact on Investigations

Previous investigations into the ad tech industry often relied on sources, leaks, hacks, or technical analysis of specific applications. DecryptAds offers an alternative approach by providing a structured way to explore the connections between ad brokers and various digital platforms. This method is intended to streamline research into advertising and surveillance, offering new avenues for understanding how sensitive user data is handled.