https://www.bleepingcomputer.com/news/security/chrome-extensions-android-and-ios-apps-caught-collecting-browsing-data/

An investigation by AdGuard, an ad-blocking platform, has revealed a common link between several Chrome and Firefox extensions and Android & iOS apps that were caught collecting highly personal user data through various shady tactics.

The common link between all extensions and mobile apps is a company named Big Star Labs. AdGuard says this company is behind the development of the following tools, which include: